fix RotateTo animation when angle is bigger than 360 (cocos2d#20009)

Author: dzj0821

Diff for: cocos/2d/CCActionInterval.cpp

@@ -943,6 +943,8 @@ void RotateTo::calculateAngles(float &startAngle, float &diffAngle, float dstAng
     }
 
     diffAngle = dstAngle - startAngle;
+    //fix angle when angle is bigger than 360
+    diffAngle = diffAngle - (int)diffAngle / 360 * 360;
     if (diffAngle > 180)
     {
         diffAngle -= 360;