* m32c-tdep.c (m32c_m16c_address_to_pointer): Print warning

	* m32c-tdep.c (m32c_m16c_address_to_pointer): Print warning
	instead of an error if no PLT entry is found.  Return a
	potentially useful result.
	(m32c_m16c_pointer_to_address): Add code to search for function
	address when no .plt entry is found.