cp:
	* call.c: NULL_PTR -> NULL.
	* class.c: Likewise.
	* cvt.c: Likewise.
	* decl.c: Likewise.
	* decl2.c: Likewise.
	* except.c: Likewise.
	* init.c: Likewise.
	* rtti.c: Likewise.
	* search.c: Likewise.
	* tree.c: Likewise.
	* typeck.c: Likewise.
	* typeck2.c: Likewise.

f:
	* com.c: NULL_PTR -> NULL.

java:
	* decl.c: NULL_PTR -> NULL.
	* jcf-write.c: Likewise.

From-SVN: r41762