Add missing break.

Signed-off-by: Paul Brook <paul@codesourcery.com>
diff --git a/linux-user/main.c b/linux-user/main.c
index 2b8bab1..5fbcda2 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -797,6 +797,7 @@
                 addr = env->cp15.c6_data;
                 goto do_segv;
             }
+            break;
         default:
         error:
             fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",