[PATCH] Move common code to a new function

[Steve Kargl]

The attached patch has been compiled and regression tested
on i386-*-freebsd.  It moves common code in primary.c and
io.c into a new function in match.c.  The code should be
self-explanatory.  Ok for mainline?

2007-04-15  Steven G. Kargl  <kargl@gcc.gnu.org>

   * match.c (gfc_match_special_char): New function.  Match special char.
   * match.h: Add prototype.
   * io.c (next_char): Use it.
   * primary.c (next_string_char): Ditto.

-- 
Steve
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