groff: Drop local getopt implementation in favor of the one from glibc

This avoids the following error with GCC 7:

  In file included from /usr/include/bits/getopt_posix.h:27:0,
                   from /usr/include/unistd.h:872,
                   from src/libs/libgroff/maxfilename.cc:28:
  /usr/include/bits/getopt_core.h:91:12: error: declaration of 'int
  getopt(int, char* const*, const char*) throw ()' has a different
  exception specifier
   extern int getopt (int ___argc, char *const *___argv,
                      const char *__shortopts)
              ^~~~~~
  In file included from src/include/lib.h:42:0,
                   from src/libs/libgroff/maxfilename.cc:23:
  src/include/groff-getopt.h:50:12: note: from previous declaration
  'int getopt(int, char* const*, const char*)'
   extern int getopt(int,    // __argc
              ^~~~~~

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

0 files changed, 0 insertions, 0 deletions