Fix compilation of test-hashmap.cc on Linux.

TBE=erik.corry@gmail.com
Review URL: http://codereview.chromium.org/113448

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1959 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-hashmap.cc

@@ -80,8 +80,8 @@ class IntSet {
   }
 
  private:
-  HashMap map_;
   IntKeyHash hash_;
+  HashMap map_;
 };