Index: trunk/ppMerge/src/ppMergeCombine.c
===================================================================
--- trunk/ppMerge/src/ppMergeCombine.c	(revision 8417)
+++ trunk/ppMerge/src/ppMergeCombine.c	(revision 8680)
@@ -137,5 +137,5 @@
                     if (!fits) {
                         psError(PS_ERR_IO, false, "Unable to open input file %s --- ignored.\n",
-                                filenames->data[k]);
+                                (char *)filenames->data[k]);
                         continue;
                     }