D11013: Remove trailing data in the protocol parameter in findProtocol

[Jaime Torres Amate]

jtamate added a dependent revision: D10989: Check for nullptr in indexForNode.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D11013

To: jtamate, #frameworks, dfaure
Cc: michaelh