Don't use irrelevant debugging output on get_buffer calls

Original commit message from CVS:
Don't use irrelevant debugging output on get_buffer calls

sys/v4l/v4lmjpegsink_calls.c

@@ -440,7 +440,7 @@ guint8 *
 gst_v4lmjpegsink_get_buffer (GstV4lMjpegSink *v4lmjpegsink,
                              gint            num)
 {
-  DEBUG("gst_v4lmjpegsink_get_buffer(), num = %d", num);
+  /*DEBUG("gst_v4lmjpegsink_get_buffer(), num = %d", num);*/
 
   if (!GST_V4L_IS_ACTIVE(GST_V4LELEMENT(v4lmjpegsink)) ||
       !GST_V4L_IS_OPEN(GST_V4LELEMENT(v4lmjpegsink)))