* c-exp.y, m2-exp.y: Change type of address for msymbol to

	* c-exp.y, m2-exp.y:  Change type of address for msymbol to
	builtin_type_long.
	* infptrace.c (fetch_register, store_inferior_register,
	child_xfer_memory):  Use PTRACE_XFER_TYPE for the type of ptrace
	transfers. Provide an `int' default for PTRACE_XFER_TYPE.