Index: generic/nsfStack.c
===================================================================
diff -u -rd884e8166428ad9dae6c39cb16c8324953b69b11 -rb9a25a66a1e81fe208cac08f93c12b23eacc6ecd
--- generic/nsfStack.c	(.../nsfStack.c)	(revision d884e8166428ad9dae6c39cb16c8324953b69b11)
+++ generic/nsfStack.c	(.../nsfStack.c)	(revision b9a25a66a1e81fe208cac08f93c12b23eacc6ecd)
@@ -769,7 +769,9 @@
       CscFinish(interp, cscPtr /*, "unwind"*/);
     }
     
-    fprintf(stderr, "+++ unwind removed %d unstacked csc entries\n", count);
+    if (count>0) {
+      fprintf(stderr, "+++ unwind removed %d unstacked csc entries\n", count);
+    }
   }
 #endif