Index: trunk/Ohana/src/opihi/cmd.data/rotate.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/rotate.c	(revision 2598)
+++ trunk/Ohana/src/opihi/cmd.data/rotate.c	(revision 2843)
@@ -11,5 +11,5 @@
   Xo = 0;
   Yo = 0;
-  if (N = get_argument (argc, argv, "-center")) {
+  if ((N = get_argument (argc, argv, "-center"))) {
     newCenter = TRUE;
     remove_argument (N, &argc, argv);