13619 sgs: variable may be used uninitialized
Reviewed by: Rich Lowe <richlowe@richlowe.net>
Reviewed by: Andy Fiddaman <andy@omnios.org>
Approved by: Dan McDonald <danmcd@joyent.com>

6273858 gcc and sgs/error don't get along
6273865 gcc and sgs/m4 don't get along
6273869 gcc and sgs/unifdef don't get along

OpenSolaris Launch