gcc: introduce GNU99 flag to hardcode -std=gnu99

base/gcc/parse-config

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../gcc/parse-config
-# Copyright (C) 2008 - 2010 The OpenSDE Project
+# Copyright (C) 2008 - 2013 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -151,3 +151,8 @@ if hasflag NO-AS-NEEDED; then
 	var_remove_regex GCC_WRAPPER_INSERT ' ' ".*-Wl,--as-needed"
 	var_append GCC_WRAPPER_REMOVE ' ' "-Wl,--as-needed"
 fi
+
+if hasflag GNU99; then
+	var_append GCC_WRAPPER_INSERT ' ' '-std=gnu99'
+	var_append SYSGCC_WRAPPER_INSERT ' ' '-std=gnu99'
+fi