Sample Browser - added code to clean shader generator - before changing techniques. This fixes crash when switching from character to skeletal animation samples when the RTSS is active (no fixed pipeline).
Sample Browser - added code to clean shader generator - before changing techniques.
This fixes crash when switching from character to skeletal animation samples when the RTSS is active (no fixed pipeline).

vbudovski/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre,vbudovski/ogre