syntax cleanup

git-svn-id: http://svn.osgeo.org/postgis/trunk@12075 b70326c6-7e19-0410-871a-916f4a2858ee
changed behavior of how non-spatially referenced rasters are handled

git-svn-id: http://svn.osgeo.org/postgis/trunk@12076 b70326c6-7e19-0410-871a-916f4a2858ee
code cleanup

git-svn-id: http://svn.osgeo.org/postgis/trunk@12077 b70326c6-7e19-0410-871a-916f4a2858ee