[mythtv-cmyth] Use StartTime instead of RecordingStartTime for record…

…ings.

If StartTime is 20:15, RecordingStartTime might be set to 20:10 in case the show
starts a bit earlier.

Hence recordings represent a specific show, it's better to show the StartTime
in the recordings view.

addons/pvr.mythtv.cmyth/src/pvrclient-mythtv.cpp

@@ -471,7 +471,7 @@ PVR_ERROR PVRClientMythTV::GetRecordings(ADDON_HANDLE handle)
       PVR_RECORDING tag;
       memset(&tag, 0, sizeof(PVR_RECORDING));
 
-      tag.recordingTime = it->second.RecordingStartTime();
+      tag.recordingTime = it->second.StartTime();
       tag.iDuration = it->second.Duration();
       tag.iPlayCount = it->second.IsWatched() ? 1 : 0;