bug#14644: emacsclient.c fails to compile

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: Paul Eggert <eggert@cs.ucla.edu>,  14644@debbugs.gnu.org
> Date: Tue, 18 Jun 2013 15:30:15 -0400
> 
> 
> (Idle speculation) I wonder if this issue happens if:
> 
> 1) you build Emacs with a system where the system getopt is not good
> enough for some reason, so libgnu.a gets a getopt compat definition
> compiled in.
> 
> 2) you update your system and get a new glibc, so that system getopt is
> now "good enough"
> 
> 3) you rebuild Emacs without deleting lib/libgnu.a.

Shouldn't .deps/getopt.Po catch that?