Added another GDAL bug workaround for retrieving the correct coordinate dimension on geometry collections.  Refs #12312.
Added another GDAL bug workaround for retrieving the correct coordinate dimension on geometry collections.  Refs #12312.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%4012883

Belgabor/django,Belgabor/django,Belgabor/django