Fix segfault caused by fall through, by Juergen Lock.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3901 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index a04edbc..6d9c822 100644
--- a/vl.c
+++ b/vl.c
@@ -8621,6 +8621,7 @@
 #ifdef TARGET_ARM
             case QEMU_OPTION_old_param:
                 old_param = 1;
+                break;
 #endif
             case QEMU_OPTION_clock:
                 configure_alarms(optarg);