Add .cvsignore so cvs update doesn't complain about derived

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 72cec8623540032505965ebca3710b7c745dfdda
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2000-01-17T04:38:49Z
Releases: 7.1.1
Add .cvsignore so cvs update doesn't complain about derived
files being left around.

Files