[gegl] buffer: revert re-adding of unneeded zeroing of tempbuf

[Øyvind Kolås <ok src gnome org>]

commit f2d913c60ea6109a56c293857cc8d5b5d8f6e165
Author: Øyvind Kolås <pippin gimp org>
Date:   Sun Oct 18 20:08:52 2015 +0200

    buffer: revert re-adding of unneeded zeroing of tempbuf

 gegl/buffer/gegl-buffer-access.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-access.c b/gegl/buffer/gegl-buffer-access.c
index 4d7477a..e710c47 100644
--- a/gegl/buffer/gegl-buffer-access.c
+++ b/gegl/buffer/gegl-buffer-access.c
@@ -1468,7 +1468,7 @@ _gegl_buffer_get_unlocked (GeglBuffer          *buffer,
       if (rowstride == GEGL_AUTO_ROWSTRIDE)
         rowstride = rect->width * bpp;
 
-      sample_buf = g_malloc0 (buf_height * buf_width * bpp);
+      sample_buf = g_malloc (buf_height * buf_width * bpp);
       gegl_buffer_iterate_read_dispatch (buffer, &sample_rect, (guchar*)sample_buf + offset, buf_width * bpp,
                                          format, level, repeat_mode);