ASSIGNED - bug976: Would like to render all pixels of textures bigger than maximum texture size  https://tracker.physiomeproject.org/show_bug.cgi?id=976 Remove unused local variable (identified by IRIX).
ASSIGNED - bug976: Would like to render all pixels of textures bigger than maximum texture size 
https://tracker.physiomeproject.org/show_bug.cgi?id=976
Remove unused local variable (identified by IRIX).

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@6325 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc