darwin.h: Update copyright.

2007-01-15  Eric Christopher  <echristo@apple.com>

	    * config/darwin.h: Update copyright.
	    (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
	    (LINK_COMMAND_SPEC): Add -u.
	    (LINK_SPEC): Fix umbrella for above.

From-SVN: r120815