Fixed windows build warnings

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14574 16af8721-9629-0410-8352-f15c8da7e697

examples/osgshaderterrain/osgshaderterrain.cpp

@@ -270,7 +270,6 @@ public:
         OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
 
 
-        unsigned int contextID = gc->getState()->getContextID();
         osg::GL2Extensions* gl2ext = gc->getState()->get<osg::GL2Extensions>();
         if( gl2ext )
         {

examples/osgtransferfunction/TransferFunctionWidget.h

@@ -19,12 +19,10 @@
 
 #include <osgUI/Widget>
 
-#define OSGUI_EXPORT
-
 namespace osgUI
 {
 
-class OSGUI_EXPORT TransferFunctionWidget : public osgUI::Widget
+class TransferFunctionWidget : public osgUI::Widget
 {
 public:
     TransferFunctionWidget(osg::TransferFunction1D* tf=0);