Index: trunk/psModules/src/imcombine/pmSubtractionMatch.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.c	(revision 20714)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.c	(revision 20717)
@@ -225,5 +225,4 @@
         threshold = bg->robustMedian + threshold * bg->robustStdev;
         psFree(bg);
-        psFree(rng);
     }