tree ab32253c74081f9bb03ceb737270849b99ba8cc8
parent ee100094e446fa7fd323ac959df93e7e45fbeeb2
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> 1247934513 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> 1247934513 -0500

[devel] Avoid some tests while selecting a filter.

The AVG and PAETH filters will never be selected for the first
row, so we need not test them.