Disable w53 and w97 cmp methods when snow encoder is disabled

Patch by Diego 'Flameeyes' Petteno flameeyes AH gentoo PP org
Original thread:
Date: Jun 30, 2006 1:16 AM
Subject: [Ffmpeg-devel] [PATCH] Disable w53 and w97 cmp methods when snow encoder is disabled

Originally committed as revision 5558 to svn://svn.ffmpeg.org/ffmpeg/trunk