build/win: Fix building iconv on recent gcc versions.

build/windows/jhbuild/glib.moduleset

@@ -11,6 +11,7 @@
 	<branch version="1.14" repo="gnu.org"
 			module="libiconv/libiconv-1.14.tar.gz"
 			hash="sha256:72b24ded17d687193c3366d0ebe7cde1e6b18f0df8c55438ac95be39e8a30613">
+		<patch file="iconv-fix-inline.patch" strip="1"/>
 	</branch>
 </autotools>
 

build/windows/jhbuild/patches/iconv-fix-inline.patch

@@ -0,0 +1,12 @@
+--- a/lib/iconv.c	2015-06-06 12:37:05.267944000 -0400
++++ b/lib/iconv.c	2015-06-06 12:37:27.311277142 -0400
+@@ -176,9 +176,6 @@
+ #include "aliases2.h"
+ #undef S
+ };
+-#ifdef __GNUC__
+-__inline
+-#endif
+ const struct alias *
+ aliases2_lookup (register const char *str)
+ {