gui: Remove erroneous right parenthesis
gui: Remove erroneous right parenthesis

Skip-check: authors

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3699

lkwg82/syncthing,le9i0nx/syncthing,syncthing/syncthing,nrm21/syncthing,lkwg82/syncthing,wweich/syncthing,AudriusButkevicius/syncthing,kamadak/syncthing,kamadak/syncthing,plouj/syncthing,kluppy/syncthing,syncthing/syncthing,imsodin/syncthing,AudriusButkevicius/syncthing,kluppy/syncthing,plouj/syncthing,Kudalufi/syncthing,plouj/syncthing,Kudalufi/syncthing,nrm21/syncthing,AudriusButkevicius/syncthing,kluppy/syncthing,syncthing/syncthing,wweich/syncthing,syncthing/syncthing,xduugu/syncthing,imsodin/syncthing,kamadak/syncthing,uok/syncthing,lkwg82/syncthing,le9i0nx/syncthing,imsodin/syncthing,uok/syncthing,Kudalufi/syncthing,xduugu/syncthing,wweich/syncthing,jryans/syncthing,cherylquirion/syncthing,le9i0nx/syncthing,ProactiveServices/syncthing,rumpelsepp/syncthing,rumpelsepp/syncthing,plouj/syncthing,syncthing/syncthing,lkwg82/syncthing,Kudalufi/syncthing,kluppy/syncthing,syncthing/syncthing,uok/syncthing,xduugu/syncthing,kamadak/syncthing,nrm21/syncthing,nrm21/syncthing,xduugu/syncthing,rumpelsepp/syncthing,ProactiveServices/syncthing,rumpelsepp/syncthing,AudriusButkevicius/syncthing,cherylquirion/syncthing,jryans/syncthing,cherylquirion/syncthing,cherylquirion/syncthing,le9i0nx/syncthing,ProactiveServices/syncthing,jryans/syncthing,imsodin/syncthing,jryans/syncthing,wweich/syncthing,ProactiveServices/syncthing,imsodin/syncthing,uok/syncthing