#2845, Bad geometry created from ST_AddPoint



git-svn-id: http://svn.osgeo.org/postgis/trunk@12849 b70326c6-7e19-0410-871a-916f4a2858ee
#2845, fix patch



git-svn-id: http://svn.osgeo.org/postgis/trunk@12852 b70326c6-7e19-0410-871a-916f4a2858ee