Fixed warnings

src/osgViewer/PixelBufferWin32.cpp

@@ -665,7 +665,7 @@ bool PixelBufferWin32::realizeImplementation()
 
     if (_traits->sharedContext)
     {
-        HGLRC hglrc;
+        HGLRC hglrc = 0;
 
         GraphicsWindowWin32* graphicsWindowWin32 = dynamic_cast<GraphicsWindowWin32*>(_traits->sharedContext);
         if (graphicsWindowWin32) 

src/osgViewer/View.cpp

@@ -1901,8 +1901,6 @@ bool View::computeIntersections(float x,float y, osgUtil::LineSegmentIntersector
         intersections.clear();
         return false;
     }
-
-    return false;
 }
 
 bool View::computeIntersections(float x,float y, const osg::NodePath& nodePath, osgUtil::LineSegmentIntersector::Intersections& intersections,osg::Node::NodeMask traversalMask)

src/osgViewer/Viewer.cpp

@@ -288,8 +288,6 @@ bool Viewer::readConfiguration(const std::string& filename)
         osg::notify(osg::NOTICE)<<"Error: Config file \""<<filename<<"\" does not contain a valid Viewer configuration."<<std::endl;
         return false;
     }
-    
-    return false;
 }
 
 bool Viewer::isRealized() const