avoid unreachable statement after break

Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Anthony Liguori <[email protected]>
diff --git a/cpu-exec.c b/cpu-exec.c
index 13b8daa..0256edf 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -313,9 +313,9 @@
 #elif defined(TARGET_M68K)
                     do_interrupt(0);
 #endif
+                    env->exception_index = -1;
 #endif
                 }
-                env->exception_index = -1;
             }
 
             if (kvm_enabled()) {