Unix build: PCIDSK: don't link against libjpeg if configured --without-jpeg

git-svn-id: https://svn.osgeo.org/gdal/trunk@26815 f0d54148-0727-0410-94bb-9a71ac55c965
Forgotten ili test files

git-svn-id: https://svn.osgeo.org/gdal/trunk@26816 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx