Relax test threshold

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3686 dfc29bdd-3216-0410-991c-e03cc46cb475

tests/anti-aliasing.cpp

@@ -52,7 +52,7 @@ static bool testLineRendering(video::E_DRIVER_TYPE type)
 	driver->draw2DLine(core::position2di(10,10), core::position2di(100,100), video::SColor(255,0,0,0));
 	driver->endScene();
 
-	bool result = takeScreenshotAndCompareAgainstReference(driver, "-lineAntiAliasing.png", 99.42f );
+	bool result = takeScreenshotAndCompareAgainstReference(driver, "-lineAntiAliasing.png", 99.17f );
 
 	device->closeDevice();
 	device->run();