Fix problem found by pcOde that release-events from keys can happen to be 1ms...

Fix problem found by pcOde that release-events from keys can happen to be 1ms later than the pressed event.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2499 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CIrrDeviceLinux.cpp

@@ -915,7 +915,7 @@ bool CIrrDeviceLinux::run()
 					XPeekEvent (event.xkey.display, &next_event);
 					if ((next_event.type == KeyPress) &&
 					    (next_event.xkey.keycode == event.xkey.keycode) &&
-						(next_event.xkey.time == event.xkey.time))
+					    (next_event.xkey.time - event.xkey.time) < 2)	// usually same time, but on some systems a difference of 1 is possible
 					{
 						/* Ignore the key release event */
 						break;