Add semi-colons(;) after declare statements that go in the povray scene file
so that povchem works with povray-3.5.
Maintainer prefer not to depend on ImageMagick since users can use their
favorite picture viewer. display isn't the only one choice.
Submitted by: Glenn Johnson <firstname.lastname@example.org>
Reviewed by: Chen-hsiung Chan <email@example.com>