Make sure we really set the proper texture matrix. Fixes a render state confusion.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2797 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/COpenGLDriver.cpp

@@ -2539,6 +2539,9 @@ void COpenGLDriver::setRenderStates2DMode(bool alpha, bool texture, bool alphaCh
 		glLoadIdentity();
 		glTranslatef(0.375, 0.375, 0.0);
 
+		// Make sure we set first texture matrix
+		if (MultiTextureExtension)
+			extGlActiveTexture(GL_TEXTURE0_ARB);
 		glMatrixMode(GL_TEXTURE);
 		glLoadIdentity();