Fix for handling of empty geometrycollection in asssvg (#239)

git-svn-id: http://svn.osgeo.org/postgis/branches/1.4@4414 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/postgis/lwgeom_svg.c b/postgis/lwgeom_svg.c
index 257421f4453cfbaa66aae619179b006904bd3318..8b6d3b42141b20840287b2f55125abb88e2cc7dc 100644 (file)
--- a/postgis/lwgeom_svg.c
+++ b/postgis/lwgeom_svg.c
@@ -461,7 +461,8 @@ assvg_collection_size(LWGEOM_INSPECTED *insp, bool relative, int precision)
                size += assvg_inspected_size(subinsp, relative, precision);
                lwinspected_release(subinsp);
        }
-       size += sizeof(";") * --i;
+       if ( size )
+               size += sizeof(";") * --i;
 
        return size;
 }