Initialize old_exception, by Bernhard Kauer.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3099 c046a42c-6fe2-441c-8c8c-71466251a162

target-i386/helper2.c

@@ -155,6 +155,8 @@ void cpu_reset(CPUX86State *env)
 
     tlb_flush(env, 1);
 
+    env->old_exception = -1;
+
     /* init to reset state */
 
 #ifdef CONFIG_SOFTMMU