subversion_1.8.13.bb: Regex modified to allow '-D' in paths

Modified the regex sed in serf.m4 to allow the use of '-D' characters
in project folder names without having compilation error from
subversion-native.

[YOCTO #7874]

(From OE-Core rev: 04554b128c358e3c10f6581fd4506764a65240b8)

Signed-off-by: Jose Lamego <jose.a.lamego@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/subversion/subversion-1.8.13/serf.m4-Regex-modified-to-allow-D-in-paths.patch

@@ -0,0 +1,28 @@
+From f1b6e49f12a18eabe88eb732b578a16281d09499 Mon Sep 17 00:00:00 2001
+From: Jose Lamego <jose.a.lamego@linux.intel.com>
+Date: Thu, 2 Jul 2015 11:37:43 +0000
+Subject: [PATCH] serf.m4: Regex modified to allow '-D' in paths
+
+Upstream-Status: Pending
+
+Signed-off-by: Jose Lamego <jose.a.lamego@linux.intel.com>
+---
+ build/ac-macros/serf.m4 | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/build/ac-macros/serf.m4 b/build/ac-macros/serf.m4
+index ae11e75..ff8cbae 100644
+--- a/build/ac-macros/serf.m4
++++ b/build/ac-macros/serf.m4
+@@ -143,7 +143,7 @@ AC_DEFUN(SVN_SERF_PKG_CONFIG,
+         if $PKG_CONFIG $serf_major --atleast-version=$serf_check_version; then
+           AC_MSG_RESULT([yes])
+           serf_found=yes
+-          SVN_SERF_INCLUDES=[`$PKG_CONFIG $serf_major --cflags | $SED -e 's/-D[^ ]*//g'`]
++          SVN_SERF_INCLUDES=[`$PKG_CONFIG $serf_major --cflags | $SED -e 's/[[:space:]]-D[^ ]*//g' -e 's/^-D[^ ]*//g'`]
+           SVN_SERF_LIBS=`$PKG_CONFIG $serf_major --libs` 
+           break
+         else
+-- 
+1.8.4.5
+

meta/recipes-devtools/subversion/subversion_1.8.13.bb

@@ -12,6 +12,7 @@ inherit gettext pythonnative
 SRC_URI = "${APACHE_MIRROR}/${BPN}/${BPN}-${PV}.tar.bz2 \
            file://libtool2.patch \
            file://disable_macos.patch \
+           file://serf.m4-Regex-modified-to-allow-D-in-paths.patch \
 "
 SRC_URI[md5sum] = "4413417b529d7bdf82f74e50df02e88b"
 SRC_URI[sha256sum] = "1099cc68840753b48aedb3a27ebd1e2afbcc84ddb871412e5d500e843d607579"