menu: initialize cm (current menu) before empty check

The empty check in the menu system used "cm", but before "cm" had
actually been initialized.  Move the "cm" initialization earlier so we
do the right thing here.

Reported-by: CKSoon <cksoon79@yahoo.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/com32/menu/menumain.c b/com32/menu/menumain.c
index 5b568fe..f3f0154 100644 (file)
--- a/com32/menu/menumain.c
+++ b/com32/menu/menumain.c
@@ -1101,12 +1101,13 @@ int menu_main(int argc, char *argv[])
                m->mparm[i] = max(m->mparm[i] + rows, 0);
     }
 
+    cm = start_menu;
+
     if (!cm->nentries) {
        fputs("Initial menu has no LABEL entries!\n", stdout);
        return 1;               /* Error! */
     }
 
-    cm = start_menu;
     for (;;) {
        cmdline = run_menu();