D28630: [xwl] Fix crash if same data is requested twice

[Roman Gilg]

romangg accepted this revision.
romangg added a comment.
This revision is now accepted and ready to land.


  Yes, makes sense. I checked back on the protocol to see if a Wayland client can request the same offer multiple times and of course[[ https://wayland.freedesktop.org/docs/html/apa.html#protocol-spec-wl_data_offer-request-receive |  it can ]] to receive multiple mime types.
  
  The assert afterwards becomes useless by that (since you check `!req.second` already).

REPOSITORY
  R108 KWin

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D28630

To: davidedmundson, #kwin, romangg
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