gtk+: add patch to support automake-1.13

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/x11/toolkits/gtk+/patches/gtk+-2.24.14-automake-1.13.patch

@@ -0,0 +1,20 @@
+diff -Naur gtk+-2.24.14/configure.in gtk+-2.24.14.patch/configure.in
+--- gtk+-2.24.14/configure.in	2012-12-06 04:46:07.000000000 +0100
++++ gtk+-2.24.14.patch/configure.in	2013-01-12 18:32:33.863798129 +0100
+@@ -51,7 +51,7 @@
+ cflags_set=${CFLAGS+set}
+ 
+ AM_INIT_AUTOMAKE([no-define -Wno-portability dist-bzip2])
+-AM_CONFIG_HEADER(config.h)
++AC_CONFIG_HEADERS(config.h)
+ 
+ # Support silent build rules, requires at least automake-1.11. Enable
+ # by either passing --enable-silent-rules to configure or passing V=0
+@@ -300,7 +300,6 @@
+ 
+ # Checks for programs.
+ AC_ISC_POSIX
+-AM_PROG_CC_STDC
+ AM_PROG_CC_C_O
+ AC_PROG_INSTALL
+ AC_PROG_MAKE_SET