make sure the type of input value is int

Author: lifei

image/usr/local/lib/web/backend/vnc/app.py

@@ -47,8 +47,8 @@ def apihealth():
 def reset():
  if 'w' in request.args and 'h' in request.args:
  args = {
- 'w': request.args.get('w'),
- 'h': request.args.get('h'),
+ 'w': int(request.args.get('w')),
+ 'h': int(request.args.get('h')),
  }
  state.set_size(args['w'], args['h'])