c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations accurately reflect its cv-qualification.

	* c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
	accurately reflect its cv-qualification.
	* c-typeck.c (type_lists_compatible_p): Ignore the top-levl
	cv-qualifiers on function types.

From-SVN: r43056