#2732 gserialized_estimate crashes under mingw64 windows when compiled with --enabled-debug

git-svn-id: http://svn.osgeo.org/postgis/trunk@12527 b70326c6-7e19-0410-871a-916f4a2858ee
fix url back

git-svn-id: http://svn.osgeo.org/postgis/trunk@12528 b70326c6-7e19-0410-871a-916f4a2858ee