Index: trunk/Ohana/src/opihi/cmd.data/rd.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/rd.c	(revision 2598)
+++ trunk/Ohana/src/opihi/cmd.data/rd.c	(revision 2843)
@@ -11,5 +11,5 @@
 
   JustHead = FALSE;
-  if (N = get_argument (argc, argv, "-head")) {
+  if ((N = get_argument (argc, argv, "-head"))) {
     remove_argument (N, &argc, argv);
     JustHead = TRUE;
@@ -17,5 +17,5 @@
 
   plane = 1;
-  if (N = get_argument (argc, argv, "-plane")) {
+  if ((N = get_argument (argc, argv, "-plane"))) {
     remove_argument (N, &argc, argv);
     plane  = atof(argv[N]);
@@ -25,5 +25,5 @@
   extend = FALSE;
   Nextend = -1;
-  if (N = get_argument (argc, argv, "-x")) {
+  if ((N = get_argument (argc, argv, "-x"))) {
     remove_argument (N, &argc, argv);
     Nextend  = atof(argv[N]);
@@ -34,5 +34,5 @@
   ccdsel = FALSE;
   ccdid = (char *) NULL;
-  if (N = get_argument (argc, argv, "-n")) {
+  if ((N = get_argument (argc, argv, "-n"))) {
     remove_argument (N, &argc, argv);
     ccdid  = strcreate (argv[N]);