automatic walk

Put the summary of the bug you're having here
automatic walk with dubbel or triple tap w/s/d/a/space
when i play minecraft i use with walk the keys w/d/s/a. always can you stop with walking when je put the hands off the keyboard. now i do minecraft and i want to walk, but in can't stop.... sideways, or jumping arround, but i do a tekstmessage in de game then it will stop, after te message i go forwardd with the game en it happents again... only in multiplayer, if i do singleplayer no problem.

What I expected to happen was...:
Describe what you thought should happen here
i do nothing with my keys and i walk it is in multiplayer

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
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