Grammar fixes for error messages (active vs passive)

git-svn-id: http://svn.osgeo.org/postgis/trunk@11541 b70326c6-7e19-0410-871a-916f4a2858ee
Have cleanup before calls to elog(ERROR, ...)

git-svn-id: http://svn.osgeo.org/postgis/trunk@11542 b70326c6-7e19-0410-871a-916f4a2858ee