[telepathy-qt4/master] PendingChannelRequest: Added comment on cancel method explaining why it fails if CR already finished.

[Andre Moreira Magalhaes (andrunko)]

---
 TelepathyQt4/pending-channel-request.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/TelepathyQt4/pending-channel-request.cpp b/TelepathyQt4/pending-channel-request.cpp
index 53c7aa3..653b52c 100644
--- a/TelepathyQt4/pending-channel-request.cpp
+++ b/TelepathyQt4/pending-channel-request.cpp
@@ -141,6 +141,7 @@ ChannelRequestPtr PendingChannelRequest::channelRequest() const
 PendingOperation *PendingChannelRequest::cancel()
 {
     if (isFinished()) {
+        // CR has already succeeded or failed, so let's just fail here
         return new PendingFailure(this, "org.freedesktop.DBus.UnknownMethod",
                 "ChannnelRequest already finished");
     }
-- 
1.5.6.5