Bug 77549 leaky.h and leaky.cpp disagree on definition of ::new

r=dmose sr=darin a=asa

tools/leaky/leaky.h

@@ -50,7 +50,11 @@ struct TreeNode {
   u_long bytesLeaked;
   u_long descendantBytesLeaked;
 
-  void* operator new(size_t size);
+  void* operator new(size_t size)
+#if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
+        throw()
+#endif
+  ;
   void operator delete(void* ptr);
 
   static TreeNode* freeList;