vm_eval.c: suppress warning

* vm_eval.c (eval_string_with_cref): move absolute_path inside
  non-exception block, since it is used only there.  [Bug #8436]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41315 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

vm_eval.c

@@ -1164,7 +1164,6 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char
     int state;
     VALUE result = Qundef;
     VALUE envval;
-    VALUE absolute_path = Qnil;
     rb_thread_t *th = GET_THREAD();
     rb_env_t *env = NULL;
     rb_block_t block, *base_block;
@@ -1183,6 +1182,7 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char
 	rb_binding_t *bind = 0;
 	rb_iseq_t *iseq;
 	volatile VALUE iseqval;
+	VALUE absolute_path = Qnil;
 
 	if (scope != Qnil) {
 	    if (rb_obj_is_kind_of(scope, rb_cBinding)) {