Problem compiling guc-file.l in current CVS sources.

The definition for "ProcessConfigFile()" in guc-file.l does not match the
prototype in guc.h.  The following patch corrects that.

--------------------------8< CUT HERE >8--------------------------------
*** src/backend/utils/misc/guc-file.l.orig    Wed May 31 16:46:43 2000
--- src/backend/utils/misc/guc-file.l    Wed May 31 16:47:08 2000
***************
*** 124,130 ****
   * values will be changed.
   */
  void
! ProcessConfigFile(unsigned int context)
  {
      int token, parse_state;
      char *opt_name, *opt_value;
--- 124,130 ----
   * values will be changed.
   */
  void
! ProcessConfigFile(GucContext context)
  {
      int token, parse_state;
      char *opt_name, *opt_value;
--------------------------8< CUT HERE >8--------------------------------