bool IVideoDriver::setRenderTarget(IRenderTarget* target, ...);
 to:
 bool IVideoDriver::setRenderTargetEx(IRenderTarget* target, ...);
- Replaced some deprecated methods in tests.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5223 dfc29bdd-3216-0410-991c-e03cc46cb475