directfb-examples: Fix building with new autoconf

This fixes the following build error:

,----
| .../configure: line 4229: syntax error near unexpected token `DIRECTFB,'
| .../configure: line 4229: `PKG_CHECK_MODULES(DIRECTFB, directfb >= $DIRECTFB_REQUIRED_VERSION, WATER=`$PKG_CONFIG --variable=water directfb` ,'
`----

(From OE-Core rev: 3f7fcbc167c13bdaa6c12a81c7851530d72f02e0)

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/directfb/directfb-examples/configure.in-Fix-string-argument-syntax.patch

@@ -0,0 +1,28 @@
+From 88077ed156a714f32bb408f422278d61611ffd41 Mon Sep 17 00:00:00 2001
+From: Otavio Salvador <otavio@ossystems.com.br>
+Date: Sat, 26 Jul 2014 16:57:46 -0300
+Subject: [PATCH] configure.in: Fix string argument syntax
+
+Upstream-Status: Submitted
+
+Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
+---
+ configure.in |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.in b/configure.in
+index bfe1b82..e939bbd 100644
+--- a/configure.in
++++ b/configure.in
+@@ -65,7 +65,7 @@ fi)
+ 
+ DIRECTFB_REQUIRED_VERSION=1.4.14
+ 
+-PKG_CHECK_MODULES(DIRECTFB, directfb >= $DIRECTFB_REQUIRED_VERSION,[ WATER=`$PKG_CONFIG --variable=water directfb` ],
++PKG_CHECK_MODULES([DIRECTFB], directfb >= $DIRECTFB_REQUIRED_VERSION,[ WATER=`$PKG_CONFIG --variable=water directfb` ],
+ 	AC_MSG_ERROR([$DIRECTFB_PKG_ERRORS
+ *** DirectFB $DIRECTFB_REQUIRED_VERSION or newer is required. The latest version
+ *** of DirectFB is available from http://www.directfb.org/.]))
+-- 
+1.7.10.4
+

meta/recipes-graphics/directfb/directfb-examples_1.7.0.bb

@@ -8,6 +8,7 @@ LICENSE = "MIT"
 
 SRC_URI = " \
            http://www.directfb.org/downloads/Extras/DirectFB-examples-${PV}.tar.gz \
+           file://configure.in-Fix-string-argument-syntax.patch \
           "
 
 LIC_FILES_CHKSUM = "file://COPYING;md5=ecf6fd2b19915afc4da56043926ca18f"