Attempt at build fixes for IRIX.

examples/osgdelaunay/osgdelaunay.cpp

@@ -143,7 +143,7 @@ class LinearConstraint: public osgUtil::DelaunayConstraint {
 *  if 2 roads cross, then the overlap will be replaced by a 'cross road'
     *  and the roads built up to the cross roads with a texture along its length. */
 public:
-    LinearConstraint() : DelaunayConstraint(), txxrepAlong(10), txyrepAcross(10), width(2) { }
+    LinearConstraint() : osgUtil::DelaunayConstraint(), txxrepAlong(10), txyrepAcross(10), width(2) { }
     
     /** geometry creation parameters */
     /* Width of linear feature (eg road, railway) */

examples/osgdepthpartition/DepthPartitionNode.cpp

@@ -1,7 +1,10 @@
 #include "DepthPartitionNode.h"
 #include <osgUtil/CullVisitor>
 
+using namespace osg;
+
 #define CURRENT_CLASS DepthPartitionNode
+
 CURRENT_CLASS::CURRENT_CLASS()
 {
     _distAccumulator = new DistanceAccumulator;
@@ -9,7 +12,7 @@ CURRENT_CLASS::CURRENT_CLASS()
 }
 
 CURRENT_CLASS::CURRENT_CLASS(const CURRENT_CLASS& dpn, const osg::CopyOp& copyop)
-    : Group(dpn, copyop),
+    : osg::Group(dpn, copyop),
           _active(dpn._active),
           _renderOrder(dpn._renderOrder),
           _clearColorBuffer(dpn._clearColorBuffer)