gstlal_inspiral: make sure anything with a reference to pipeline is freed...

gstlal_inspiral: make sure anything with a reference to pipeline is freed before setting NULL - NOTE check in on bottle route stuff. Still not sure it is freeing everything it should be in each loop

gstlal-inspiral/bin/gstlal_inspiral

@@ -983,12 +983,13 @@ for output_file_number, (svd_bank_url_dict, output_url, ranking_stat_output_url,
 	#
 
 
-	if pipeline.set_state(Gst.State.NULL) != Gst.StateChangeReturn.SUCCESS:
-		raise RuntimeError("pipeline could not be set to NULL")
+	del triggersrc
 	del handler.pipeline
 	del handler
 	del bank
 	del banks
+	if pipeline.set_state(Gst.State.NULL) != Gst.StateChangeReturn.SUCCESS:
+		raise RuntimeError("pipeline could not be set to NULL")
 
 
 #