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git-svn-id: http://svn.osgeo.org/postgis/branches/2.1@12095 b70326c6-7e19-0410-871a-916f4a2858ee
Fix small memory leak in lwline_split_by_line (#2528)

Thanks Alessandro Furieri for the report and test

git-svn-id: http://svn.osgeo.org/postgis/branches/2.1@12096 b70326c6-7e19-0410-871a-916f4a2858ee