[gimp] Use correct format string for size_t args

[Mukund Sivaraman <muks src gnome org>]

commit 584f9a35e78ed37eaefc55a09639a69ebe4909d2
Author: Mukund Sivaraman <muks banu com>
Date:   Fri Mar 18 00:04:51 2011 +0530

    Use correct format string for size_t args

 plug-ins/common/sphere-designer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/common/sphere-designer.c b/plug-ins/common/sphere-designer.c
index f9bf8ed..967f625 100644
--- a/plug-ins/common/sphere-designer.c
+++ b/plug-ins/common/sphere-designer.c
@@ -2018,7 +2018,7 @@ loadit (const gchar * fn)
 
   s.com.numtexture = 0;
 
-  snprintf (fmt_str, sizeof (fmt_str), "%%d %%d %%%ds", sizeof (endbuf) - 1);
+  snprintf (fmt_str, sizeof (fmt_str), "%%d %%d %%%zus", sizeof (endbuf) - 1);
 
   while (!feof (f))
     {