Warning util.c

[Chris Tillman <tillman@azstarnet.com>]

I'm sure this probably doesn't have any impact today, but I noticed
this warning in the make messages when building:

util.c: In function `do_interruptable':
util.c:746: warning: variable `saved_errno' might be clobbered by `longjmp' or `vfork'

-- 
*------v--------- Installing Debian GNU/Linux 3.0 --------v------*
|      <http://www.debian.org/releases/woody/installmanual>      |
|   debian-imac (potato): <http://debian-imac.sourceforge.net>   |
|            Chris Tillman        tillman@azstarnet.com          |
|                   May the Source be with you                   |
*----------------------------------------------------------------*