From Marco Jez, "fixes a bug that prevented mipmaps in images from being read correctly (the call to setImage() clears the previously filled _mipmapData vector)."
From Marco Jez, "fixes a bug that prevented mipmaps in images from being read correctly (the call to
setImage() clears the previously filled _mipmapData vector)."


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@2895 16af8721-9629-0410-8352-f15c8da7e697

joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg