2007-10-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c-opts.c (c_common_handle_option): -Wnontemplate-friend,
	-Wwrite-strings and -Wmultichar are enabled by default, so Wall
	enabling them is redundant. Don't check two times for
	c_dialect_cxx.

From-SVN: r129183