[gegl] fix compiler warnings and code style on last commit

[Michael Henning <mhenning src gnome org>]

commit ae2e5d17962009670cfe74a00118becdea2189de
Author: Michael Henning <drawoc darkrefraction com>
Date:   Wed Apr 3 18:35:27 2013 -0400

    fix compiler warnings and code style on last commit

 gegl/buffer/gegl-buffer-iterator.c |   22 ++++++++++++----------
 1 files changed, 12 insertions(+), 10 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-iterator.c b/gegl/buffer/gegl-buffer-iterator.c
index e200087..1745dd1 100644
--- a/gegl/buffer/gegl-buffer-iterator.c
+++ b/gegl/buffer/gegl-buffer-iterator.c
@@ -28,6 +28,7 @@
 #include "gegl-types-internal.h"
 #include "gegl-buffer-types.h"
 #include "gegl-buffer-iterator.h"
+#include "gegl-buffer-iterator-private.h"
 #include "gegl-buffer-private.h"
 #include "gegl-tile-storage.h"
 #include "gegl-utils.h"
@@ -379,20 +380,21 @@ static void iterator_buf_pool_release (gpointer buf)
 }
 
 void
-_gegl_buffer_iterator_cleanup ()
+_gegl_buffer_iterator_cleanup (void)
 {
   gint i;
   /* FIXME: is the mutex lock necessary? */
   g_mutex_lock (&pool_mutex);
-  if (buf_pool) {
-    for (i=0; i<buf_pool->len; i++)
-      {
-        BufInfo *info = &g_array_index (buf_pool, BufInfo, i);
-        gegl_free (info->buf);
-      }
-    g_array_free (buf_pool, TRUE);
-    buf_pool = NULL;
-  }
+  if (buf_pool)
+    {
+      for (i=0; i<buf_pool->len; i++)
+        {
+          BufInfo *info = &g_array_index (buf_pool, BufInfo, i);
+          gegl_free (info->buf);
+        }
+      g_array_free (buf_pool, TRUE);
+      buf_pool = NULL;
+    }
   g_mutex_unlock (&pool_mutex);
 }