bb-reorder.c, [...]: Replace calls via (*targetm.foo) () with targetm.foo ().

bb-reorder.c, [...]: Replace calls via (*targetm.foo) () with targetm.foo ().

	* bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
	dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
	via (*targetm.foo) () with targetm.foo ().

From-SVN: r79750