vm_method.c: change argument of set_visibility

* vm_method.c (set_visibility): use rb_method_flag_t as well as
  set_method_visibility() and rename argument.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

vm_method.c

@@ -1291,14 +1291,14 @@ set_method_visibility(VALUE self, int argc, VALUE *argv, rb_method_flag_t ex)
 }
 
 static VALUE
-set_visibility(int argc, VALUE *argv, VALUE module, int visi)
+set_visibility(int argc, VALUE *argv, VALUE module, rb_method_flag_t ex)
 {
     secure_visibility(module);
     if (argc == 0) {
-	SCOPE_SET(visi);
+	SCOPE_SET(ex);
     }
     else {
-	set_method_visibility(module, argc, argv, visi);
+	set_method_visibility(module, argc, argv, ex);
     }
     return module;
 }