[gcc] GCC 4.5.0=>4.5.1

gcc/gcc/testsuite/obj-c++.dg/cxx-scope-2.mm

 /* Make sure Objective-C++ can distinguish ObjC classes from C++ classes.  */
 /* Author: Ziemowit Laski  <zlaski@apple.com> */
 
 /* { dg-do compile } */
 
-#include <objc/Object.h>
+#include "../objc-obj-c++-shared/Object1.h"
 #include <iostream>
 #include <string>
 
 @interface iostream: Object
 @end
 
 int main(void) {
   id i = [std::iostream new];  /* { dg-warning "not an Objective\\-C class name or alias" } */
   i = [iostream new];
   i = [std::basic_string<char> new];  /* { dg-warning "not an Objective\\-C class name or alias" } */
 
   return 0;
 }