OpenGL2: Use an OpenGL 3.2 core context if available.

code/renderergl2/tr_shader.c

@@ -3072,9 +3072,7 @@ static shader_t *FinishShader( void ) {
 	//
 	// look for multitexture potential
 	//
-	if ( qglActiveTextureARB ) {
-		stage = CollapseStagesToGLSL();
-	}
+	stage = CollapseStagesToGLSL();
 
 	if ( shader.lightmapIndex >= 0 && !hasLightmapStage ) {
 		if (vertexLightmap) {