Remove return statement from operator new to see who screams about it

[SVN r19178]

test/stateless_test.cpp

@@ -25,7 +25,6 @@ struct stateless_integer_add {
   {
     static int foo = 5;
     throw std::runtime_error("Cannot allocate a stateless_integer_add");
-    return &foo; // suppress warnings
   }
 
   void operator delete(void*, stateless_integer_add*) throw()