From Laurens Voerman, "while testing databasepager stuff I noticed that the various loaders (osg/ive/osgx) do not pass the current options to the imagePager, therefore the images cannot be found if not in the global OSG_FILE_PATH. Attached is a fix, containing modified versions of

From Robert Osfield, add check to only apply Options object when a valid Option object is assigned.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14290 16af8721-9629-0410-8352-f15c8da7e697