[patch] Remove -ffixed-line-length options from c.opt

[Brooks Moses]

As per my recent "A weirdness in fortran/lang.opt...." thread in the 
fortran@ and gcc@ lists, it seems that the -ffixed-form, 
-ffixed-line-length, and -ffixed-line-length-none options in c.opt are 
vestiges of a time when the gfortran options weren't being properly 
handled, and they currently serve no purpose except to erroneously move 
the documentation of these options in the "cc1 --help" screen from the 
"Fortran" section to the "C" section.

Thus, this patch removes them from c.opt.  (Note that this has no effect 
on Fortran, as they are defined in fortran/lang.opt.)

Tested with "make" and "make check" on i686-pc-linux-gnu.  Ok for trunk?

---------------------------------------------------------------------
2006-10-09  Brooks Moses  <brooks.moses@codesourcery.com>

	* c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
	-ffixed-line-length-* options.

---------------------------------------------------------------------

- Brooks
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