$NetBSD: patch-ab,v 1.1.1.1 2005/11/06 10:36:46 minskim Exp $

g++-2.95 needs a bit help on complex type casts.

--- source/geom/MultiLineString.cpp.orig	Thu Jul 22 10:45:50 2004
+++ source/geom/MultiLineString.cpp	Thu Apr  7 03:45:20 2005
@@ -127,8 +127,8 @@ bool MultiLineString::isClosed() const {
 
 bool MultiLineString::isSimple() const {
 	IsSimpleOp iso;
-	Geometry *in = toInternalGeometry(this);
-	bool issimple = iso.isSimple((MultiLineString *)in);
+	MultiLineString *in = dynamic_cast<MultiLineString *>(toInternalGeometry(this));
+	bool issimple = iso.isSimple(in);
 	if ( in != this ) delete(in);
 	return issimple;
 }
@@ -137,7 +137,7 @@ Geometry* MultiLineString::getBoundary()
 	if (isEmpty()) {
 		return getFactory()->createGeometryCollection(NULL);
 	}
-	Geometry *in = toInternalGeometry(this);
+	MultiLineString *in = dynamic_cast<MultiLineString *>(toInternalGeometry(this));
 	GeometryGraph gg(0, in);
 	CoordinateSequence *pts=gg.getBoundaryPoints();
 	if ( in != this ) delete(in);