Index: trunk/ppMerge/src/ppMergeArguments.c
===================================================================
--- trunk/ppMerge/src/ppMergeArguments.c	(revision 18839)
+++ trunk/ppMerge/src/ppMergeArguments.c	(revision 18967)
@@ -174,11 +174,11 @@
     if ((argnum = psArgumentGet(argc, argv, "-threads"))) {
         psArgumentRemove(argnum, &argc, argv);
-	int nThreads = atoi(argv[argnum]);
+        int nThreads = atoi(argv[argnum]);
         psMetadataAddS32(config->arguments, PS_LIST_TAIL, "NTHREADS", 0, "number of warp threads", nThreads);
         psArgumentRemove(argnum, &argc, argv);
 
-	// create the thread pool with number of desired threads, supplying our thread launcher function
-	// XXX need to determine the number of threads from the config data
-	psThreadPoolInit (nThreads);
+        // create the thread pool with number of desired threads, supplying our thread launcher function
+        // XXX need to determine the number of threads from the config data
+        psThreadPoolInit (nThreads);
     }
     ppMergeSetThreads();
@@ -379,4 +379,5 @@
 #endif
 
+    psFree(arguments);
     return true;