Omit "int" when using "unsigned" modifier

Source/wtf/StringExtrasTest.cpp

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 103 matching lines @@
 {
     testNumbers<short>();
     testNumbers<int>();
     testNumbers<long>();
     testNumbers<long long>();
 }
 
 TEST(WTF, IntegerToStringConversionUnsignedIntegerBoundaries)
 {
     testBoundaries<unsigned short>();
-    testBoundaries<unsigned int>();
+    testBoundaries<unsigned>();
     testBoundaries<unsigned long>();
     testBoundaries<unsigned long long>();
 }
 
 TEST(WTF, IntegerToStringConversionUnsignedIntegerRegularNumbers)
 {
     testNumbers<unsigned short>();
-    testNumbers<unsigned int>();
+    testNumbers<unsigned>();
     testNumbers<unsigned long>();
     testNumbers<unsigned long long>();
 }
 
 } // namespace