re PR fortran/9038 (-ffixed-line-length-none -x f77-cpp-input gives: Warning: unknown register name line-length-none)

2003-02-20  Toon Moene  <toon@moene.indiv.nluug.nl>

	PR fortran/9038
	* c-opts.c (sanitize_cpp_opts): Add Fortran front end
	options to be ignored.
	(c_common_decode_option): Ignore them when preprocessing.

From-SVN: r63184