curl: update 7.59.0 -> 7.60.0

https://curl.haxx.se/changes.html#7_60_0

Also refresh 0001-replace-krb5-config-with-pkg-config.patch and drop
configure_ac.patch, which we've apparently been dragging along
unnecessarily for the past 5 years:

  c277bd6ce7

(From OE-Core rev: 4063c1e4b233b28ae14420a83960fd93b437a4a4)

Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/curl/curl/0001-replace-krb5-config-with-pkg-config.patch

@@ -1,17 +1,21 @@
-[PATCH] replace krb5-config with pkg-config
+From ed70f0623708b8a6c1f58a5d243d87c5ff45b24d Mon Sep 17 00:00:00 2001
+From: Roy Li <rongqing.li@windriver.com>
+Date: Tue, 26 Apr 2016 13:13:01 +0800
+Subject: [PATCH] replace krb5-config with pkg-config
 
 Upstream-Status:  Pending
 
 Signed-off-by: Roy Li <rongqing.li@windriver.com>
+
 ---
  configure.ac | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/configure.ac b/configure.ac
-index e99b303..dc93f39 100644
+index 5569a26..56b0380 100755
 --- a/configure.ac
 +++ b/configure.ac
-@@ -1196,7 +1196,7 @@ AC_ARG_WITH(gssapi,
+@@ -1290,7 +1290,7 @@ AC_ARG_WITH(gssapi,
    fi
  ])
  
@@ -20,7 +24,7 @@ index e99b303..dc93f39 100644
  
  save_CPPFLAGS="$CPPFLAGS"
  AC_MSG_CHECKING([if GSS-API support is requested])
-@@ -1207,7 +1207,7 @@ if test x"$want_gss" = xyes; then
+@@ -1301,7 +1301,7 @@ if test x"$want_gss" = xyes; then
       if test -n "$host_alias" -a -f "$GSSAPI_ROOT/bin/$host_alias-krb5-config"; then
          GSSAPI_INCS=`$GSSAPI_ROOT/bin/$host_alias-krb5-config --cflags gssapi`
       elif test -f "$KRB5CONFIG"; then
@@ -29,7 +33,7 @@ index e99b303..dc93f39 100644
       elif test "$GSSAPI_ROOT" != "yes"; then
          GSSAPI_INCS="-I$GSSAPI_ROOT/include"
       fi
-@@ -1300,7 +1300,7 @@ if test x"$want_gss" = xyes; then
+@@ -1394,7 +1394,7 @@ if test x"$want_gss" = xyes; then
          elif test -f "$KRB5CONFIG"; then
             dnl krb5-config doesn't have --libs-only-L or similar, put everything
             dnl into LIBS
@@ -38,6 +42,3 @@ index e99b303..dc93f39 100644
             LIBS="$gss_libs $LIBS"
          else
             case $host in
--- 
-1.9.1
-

meta/recipes-support/curl/curl/configure_ac.patch

@@ -1,13 +0,0 @@
-Upstream-Status:  Pending
-
---- a/configure.ac
-+++ b/configure.ac
-@@ -281,7 +281,7 @@ dnl ************************************
- 
- CURL_CHECK_COMPILER
- CURL_SET_COMPILER_BASIC_OPTS
--CURL_SET_COMPILER_DEBUG_OPTS
-+dnl CURL_SET_COMPILER_DEBUG_OPTS
- CURL_SET_COMPILER_OPTIMIZE_OPTS
- CURL_SET_COMPILER_WARNING_OPTS
- 

meta/recipes-support/curl/curl_7.60.0.bb

@@ -9,14 +9,8 @@ SRC_URI = "http://curl.haxx.se/download/curl-${PV}.tar.bz2 \
            file://0001-replace-krb5-config-with-pkg-config.patch \
 "
 
-
-# curl likes to set -g0 in CFLAGS, so we stop it
-# from mucking around with debug options
-#
-SRC_URI += " file://configure_ac.patch"
-
-SRC_URI[md5sum] = "a2192804f7c2636a09320416afcf888e"
-SRC_URI[sha256sum] = "b5920ffd6a8c95585fb95070e0ced38322790cb335c39d0dab852d12e157b5a0"
+SRC_URI[md5sum] = "bd2aabf78ded6a9aec8a54532fd6b5d7"
+SRC_URI[sha256sum] = "897dfb2204bd99be328279f88f55b7c61592216b0542fcbe995c60aa92871e9b"
 
 CVE_PRODUCT = "libcurl"
 inherit autotools pkgconfig binconfig multilib_header
@@ -32,10 +26,12 @@ PACKAGECONFIG[gnutls] = "--with-gnutls,--without-gnutls,gnutls"
 PACKAGECONFIG[gopher] = "--enable-gopher,--disable-gopher,"
 PACKAGECONFIG[imap] = "--enable-imap,--disable-imap,"
 PACKAGECONFIG[ipv6] = "--enable-ipv6,--disable-ipv6,"
+PACKAGECONFIG[krb5] = "--with-gssapi,--without-gssapi,krb5"
 PACKAGECONFIG[ldap] = "--enable-ldap,--disable-ldap,"
 PACKAGECONFIG[ldaps] = "--enable-ldaps,--disable-ldaps,"
 PACKAGECONFIG[libidn] = "--with-libidn2,--without-libidn2,libidn2"
 PACKAGECONFIG[libssh2] = "--with-libssh2,--without-libssh2,libssh2"
+PACKAGECONFIG[nghttp2] = "--with-nghttp2,--without-nghttp2,nghttp2"
 PACKAGECONFIG[pop3] = "--enable-pop3,--disable-pop3,"
 PACKAGECONFIG[proxy] = "--enable-proxy,--disable-proxy,"
 PACKAGECONFIG[rtmpdump] = "--with-librtmp,--without-librtmp,rtmpdump"
@@ -47,8 +43,6 @@ PACKAGECONFIG[telnet] = "--enable-telnet,--disable-telnet,"
 PACKAGECONFIG[tftp] = "--enable-tftp,--disable-tftp,"
 PACKAGECONFIG[threaded-resolver] = "--enable-threaded-resolver,--disable-threaded-resolver"
 PACKAGECONFIG[zlib] = "--with-zlib=${STAGING_LIBDIR}/../,--without-zlib,zlib"
-PACKAGECONFIG[krb5] = "--with-gssapi,--without-gssapi,krb5"
-PACKAGECONFIG[nghttp2] = "--with-nghttp2,--without-nghttp2,nghttp2"
 
 EXTRA_OECONF = " \
     --enable-crypto-auth \
@@ -57,7 +51,6 @@ EXTRA_OECONF = " \
     --without-libpsl \
 "
 
-
 do_install_append_class-target() {
 	# cleanup buildpaths from curl-config
 	sed -i \