Compile fixes for VS6.0.

VisualStudio/osgPlugins/osg/dot_osg.dsp

@@ -312,10 +312,6 @@ SOURCE=..\..\..\src\osgPlugins\osg\ShapeDrawable.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=..\..\..\src\osgPlugins\osg\Scissor.cpp
-# End Source File
-# Begin Source File
-
 SOURCE=..\..\..\src\osgPlugins\osg\StateSet.cpp
 # End Source File
 # Begin Source File

examples/osgcluster/osgcluster.cpp

@@ -232,8 +232,7 @@ class DataConverter
             osg::notify(osg::NOTICE)<<"writeFramestamp = "<<fs.getFrameNumber()<<" "<<fs.getReferenceTime()<<std::endl;
 
             writeUInt(fs.getFrameNumber());
-            return writeDouble(fs.getReferenceTime());
-
+            writeDouble(fs.getReferenceTime());
         }
 
         void read(osg::FrameStamp& fs)

src/osgTerrain/DataSet.cpp

@@ -3314,7 +3314,8 @@ osg::Node* DataSet::CompositeDestination::createScene()
     }
 
     NodeList childNodes;
-    for(ChildList::iterator citr=_children.begin();
+    ChildList::iterator citr;
+    for(citr=_children.begin();
         citr!=_children.end();
         ++citr)
     {
@@ -3324,7 +3325,7 @@ osg::Node* DataSet::CompositeDestination::createScene()
 
 
     float cutOffDistance = -FLT_MAX;
-    for(ChildList::iterator citr=_children.begin();
+    for(citr=_children.begin();
         citr!=_children.end();
         ++citr)
     {