Makefile.am (doxygen, [...]): Remove extra '$' from host_alias variable.

2004-11-19  Jonathan Wakely  <redi@gcc.gnu.org>

	* Makefile.am (doxygen, doxygen-maint, doxygen-man): Remove extra '$'
	from host_alias variable.
	* Makefile.in: Regenerate.

From-SVN: r90919