[gvfs] smb: fix compilation warning

[Ondrej Holy <oholy src gnome org>]

commit 19249f9eb50639484caec9adad5bc353ed103181
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Sep 26 11:54:33 2013 +0200

    smb: fix compilation warning
    
    https://bugzilla.gnome.org/show_bug.cgi?id=591228

 client/smburi.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/client/smburi.c b/client/smburi.c
index 23774db..af1efa5 100644
--- a/client/smburi.c
+++ b/client/smburi.c
@@ -20,6 +20,7 @@
  * Author: Alexander Larsson <alexl redhat com>
  */
 
+#include <stdlib.h>
 #include <config.h>
 #include <string.h>