[gnome-autoar] Enable C99 or C11 support

[Ting-Wei Lan <lantw src gnome org>]

commit 9c476e7142503570a3790e58133619cecf126ea2
Author: Ting-Wei Lan <lantw44 gmail com>
Date:   Sun Jan 26 20:47:55 2014 +0800

    Enable C99 or C11 support

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index e7def91..83ca1a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,6 +14,7 @@ AM_MAINTAINER_MODE([enable])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_PROG_CC
+AC_PROG_CC_STDC
 AC_PROG_INSTALL
 LT_INIT
 PKG_PROG_PKG_CONFIG