From Chuck Sembroski, fixes for IRIX

src/osgParticle/PrecipitationEffect.cpp

@@ -861,7 +861,7 @@ PrecipitationEffect::PrecipitationDrawable::PrecipitationDrawable():
 }
 
 PrecipitationEffect::PrecipitationDrawable::PrecipitationDrawable(const PrecipitationDrawable& copy, const osg::CopyOp& copyop):
-    Drawable(copy,copyop),
+    osg::Drawable(copy,copyop),
     _requiresPreviousMatrix(copy._requiresPreviousMatrix),
     _geometry(copy._geometry),
     _drawType(copy._drawType),

src/osgPlugins/OpenFlight/Pools.h

@@ -218,7 +218,7 @@ public:
         TexturePool* texture,
         LightPointAppearancePool* lpAppearance,
         ShaderPool* shader )
-      : Referenced(),
+      : osg::Referenced(),
         _colorPool( color ),
         _materialPool( material ),
         _texturePool( texture ),

src/osgSim/OpenFlightOptimizer.cpp

@@ -155,7 +155,7 @@ class GeodeStateOptimizer : public osgUtil::Optimizer::StateVisitor
                 }
             }
 
-            StateVisitor::optimize();
+            osgUtil::Optimizer::StateVisitor::optimize();
         }