OGR-GML: increase szHeader (needed for RUIAN support)


git-svn-id: https://svn.osgeo.org/gdal/trunk@27191 f0d54148-0727-0410-94bb-9a71ac55c965
RawRasterBand: fix optimized RasterIO() when doing sub-sampling with non standard buffer pixel offset (#5438)

git-svn-id: https://svn.osgeo.org/gdal/trunk@27192 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx