fix wrong indentation

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

cpu-exec.c

@@ -588,11 +588,9 @@ int cpu_exec(CPUState *env1)
                 /* see if we can patch the calling TB. When the TB
                    spans two pages, we cannot safely do a direct
                    jump. */
-                {
-                    if (next_tb != 0 && tb->page_addr[1] == -1) {
+                if (next_tb != 0 && tb->page_addr[1] == -1) {
                     tb_add_jump((TranslationBlock *)(next_tb & ~3), next_tb & 3, tb);
                 }
-                }
                 spin_unlock(&tb_lock);
                 env->current_tb = tb;