Minor bug fix; we do not want to postimagedata for images that are cloned

for the purposes of updating an image that is copied back to the origin.

protogeni/scripts/postimagedata.in

@@ -206,6 +206,7 @@ else {
 			   "where ezid=1 and isdataset=0 and ".
 			   "      i.imageid is not null and ".
 			   "      ims_noreport=0 and ".
+			   "      origin_urn is null and ".
 			   "      deleted is null and ".
 			   "      ((v.pid='$TBOPSPID' and v.global=1) ".
 			   "       $only_system_clause) and ".