Added some missing 'const' to cDevice

CONTRIBUTORS

@@ -1768,6 +1768,7 @@ Joachim Wilke <vdr@joachim-wilke.de>
  for adding a missing 'const' to cRecording::FramesPerSecond()
  for modifying cCharSetConv so that it can be used to convert from "whatever VDR uses"
  to a given code
+ for adding some missing 'const' to cDevice
 
 Sascha Klek <sklek@gmx.de>
  for reporting a problem with the '0' key in the "Day" item of the "Timers" menu

HISTORY

@@ -6847,7 +6847,7 @@ Video Disk Recorder Revision History
 - Fixed cRecordings::DelByName() to avoid compilation errors with gcc 4.4
   (backport from version 1.7.9, thanks to Ralf Schueler).
 
-2012-02-13: Version 1.7.24
+2012-02-14: Version 1.7.24
 
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Fixed a high load in case a transponder can't be received.
@@ -6872,3 +6872,4 @@ Video Disk Recorder Revision History
 - No longer using tabs as delimiter in the EPG bugfix log (they were garbled in the
   log file).
 - Added a missing '.' after the month in VPS strings.
+- Added some missing 'const' to cDevice (thanks to Joachim Wilke).

device.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.h 2.32 2012/01/18 12:12:49 kls Exp $
+ * $Id: device.h 2.33 2012/02/14 14:42:42 kls Exp $
  */
 
 #ifndef __DEVICE_H
@@ -498,11 +498,11 @@ public:
        ///< is more than one audio track.
   int NumSubtitleTracks(void) const;
        ///< Returns the number of subtitle tracks that are currently available.
-  eTrackType GetCurrentAudioTrack(void) { return currentAudioTrack; }
+  eTrackType GetCurrentAudioTrack(void) const { return currentAudioTrack; }
   bool SetCurrentAudioTrack(eTrackType Type);
        ///< Sets the current audio track to the given Type.
        ///< \return Returns true if Type is a valid audio track, false otherwise.
-  eTrackType GetCurrentSubtitleTrack(void) { return currentSubtitleTrack; }
+  eTrackType GetCurrentSubtitleTrack(void) const { return currentSubtitleTrack; }
   bool SetCurrentSubtitleTrack(eTrackType Type, bool Manual = false);
        ///< Sets the current subtitle track to the given Type.
        ///< IF Manual is true, no automatic preferred subtitle language selection