- Resolving app crash which happens occasionally after slide from screen edge

- Slide from upper 40% of left & right screen edge to open in-stream menus will  no longer sends touch event to remote PC

Limelight/Input/NativeTouchPointer.m

@@ -110,6 +110,7 @@ static StreamView* _streamView;
 
 + (CGPoint)selectCoordsFor:(UITouch *)touch{
     NativeTouchPointer *pointer = [pointerObjDict objectForKey:@((uintptr_t)touch)];
+    if(pointer == nil) return CGPointMake(0, 0); // THIS will PREVENT CRASH caused by slide gesture!
     if((pointer -> initialPoint).x > pointerVelocityDividerLocationByPoints){  //if first contact coords locates on the right side of divider.
         pointer -> useRelativeCoords = true;
         return pointer->latestRelativePoint;