From Jannik Heller, typo fixes

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14882 16af8721-9629-0410-8352-f15c8da7e697

examples/osgmultitexturecontrol/osgmultitexturecontrol.cpp

@@ -401,7 +401,7 @@ int main( int argc, char **argv )
 
 
         // we must assign callback as both an update and cull callback, as update callback to do the update of
-        // the the osgFX::MultiTextureControl node a thread safe way, and as a cull callback to gather the camera
+        // the osgFX::MultiTextureControl node a thread safe way, and as a cull callback to gather the camera
         // position information.
         ElevationLayerBlendingCallback* elbc = new ElevationLayerBlendingCallback(mtc, elevations);
         terrain->setUpdateCallback(elbc);