bug#12327: Signal-handler cleanup for Emacs

[Eli Zaretskii]

> Date: Sun, 02 Sep 2012 20:51:51 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: lekktu@gmail.com, 12327@debbugs.gnu.org
> 
> As for 0.6% reduction in the size of .text: what kind of humongous
> .text size do you have that makes 0.6% a significant value?  On 2
> different platforms to which I have access, one of them a x86_64
> GNU/Linux, I see ~3.5MB in an unoptimized build and about half that
> much in an optimized one, which makes the savings around 2KB, too
> small to justify any change whatsoever.                  ^^^

Err, make that 21KB, still too small.