GTiff: avoid using optimized JPEG --> JPEG-in-TIFF path if INTERLEAVE=BAND is specified with a 3-band JPEG

git-svn-id: https://svn.osgeo.org/gdal/trunk@27232 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx