[glib] gresource-tool: fix the build

[Xan Lopez <xan src gnome org>]

commit 73f5764fcde237737a844fb3b164bcddf6c335d1
Author: Xan Lopez <xan igalia com>
Date:   Wed Jan 25 10:28:27 2012 +0100

    gresource-tool: fix the build

 gio/gresource-tool.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gio/gresource-tool.c b/gio/gresource-tool.c
index 4211d56..8fead39 100644
--- a/gio/gresource-tool.c
+++ b/gio/gresource-tool.c
@@ -29,6 +29,7 @@
 #include <fcntl.h>
 #include <string.h>
 #include <sys/mman.h>
+#include <locale.h>
 
 #ifdef HAVE_LIBELF
 #include <libelf.h>