* c-lex.c: NULL_PTR -> NULL.
	* cse.c: Likewise.
	* emit-rtl.c: Likewise.
	* gcse.c: Likewise.
	* genpeep.c: Likewise.
	* jump.c: Likewise.
	* mips-tdump.c: Likewise.
	* reload1.c: Likewise.
	* rtlanal.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* toplev.c: Likewise.

From-SVN: r41761