re PR c++/71973 (c++ handles built-in functions inconsistently)

re PR c++/71973 (c++ handles built-in functions inconsistently)

	PR c++/71973
	* g++.dg/torture/pr53321.C (size_t): Use __SIZE_TYPE__ instead of
	long unsigned int.
	* g++.dg/torture/pr63512.C (::strlen): Use __SIZE_TYPE__ instead of
	unsigned long.

From-SVN: r242677