Fix TAP_DISTANCE check

Fixes #1652

@@ -444,7 +444,7 @@
       var dx = Math.abs(e.clientX - this.start.x);
       var dy = Math.abs(e.clientY - this.start.y);
       // dx,dy can be NaN if `click` has been simulated and there was no `down` for `start`
-      if (isNaN(dx) || isNaN(dy) || dx <= TAP_DISTANCE || dy <= TAP_DISTANCE) {
+      if (isNaN(dx) || isNaN(dy) || (dx <= TAP_DISTANCE && dy <= TAP_DISTANCE)) {
         // prevent taps from being generated if an event has canceled them
         if (!POINTERSTATE.tapPrevented) {
           Gestures.fire(e.target, 'tap', {