[libgit2-glib] Add missing gprintf includes in examples

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 01f205bfe8596be8c606248119159d8e29d00fff
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Wed Sep 10 09:49:10 2014 +0200

    Add missing gprintf includes in examples

 examples/clone.c |    1 +
 examples/walk.c  |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/examples/clone.c b/examples/clone.c
index 3ac68e2..c51dcd1 100644
--- a/examples/clone.c
+++ b/examples/clone.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <termios.h>
 #include <string.h>
+#include <glib/gprintf.h>
 #include "ggit.h"
 
 typedef struct
diff --git a/examples/walk.c b/examples/walk.c
index b8a4189..b9f5ada 100644
--- a/examples/walk.c
+++ b/examples/walk.c
@@ -19,6 +19,7 @@
  */
 
 #include <gio/gio.h>
+#include <glib/gprintf.h>
 
 #include "ggit.h"