fix formatting of code

git-svn-id: https://svn.osgeo.org/gdal/trunk@27507 f0d54148-0727-0410-94bb-9a71ac55c965
more code formatting corrections, white space only

git-svn-id: https://svn.osgeo.org/gdal/trunk@27508 f0d54148-0727-0410-94bb-9a71ac55c965
Merge branch 'trunk' into trunk_travis_macosx