Fixed some copy&paste errors in PLUGINS.html

CONTRIBUTORS

@@ -2571,6 +2571,7 @@ Benjamin Hess <benjamin.h@gmx.ch>
 Winfried Koehler <w_koehl@gmx.de>
  for fixing finding new transponders
  for reporting a compiler warning in calculations involving FramesPerSecond()
+ for fixing some copy&paste errors in PLUGINS.html
 
 Hans-Werner Hilse <hilse@web.de>
  for adding the command line option --userdump to enable core dumps in case VDR

HISTORY

@@ -7148,7 +7148,7 @@ Video Disk Recorder Revision History
   caching the information whether a recording is stored on the video directory file
   system within the cRecording data (based on a patch from Torsten Lang).
 
-2012-06-07: Version 1.7.29
+2012-06-08: Version 1.7.29
 
 - Added a missing template specification to the c'tor of cSortedTimers (thanks to Udo
   Richter).
@@ -7168,3 +7168,4 @@ Video Disk Recorder Revision History
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Changed the button colors in the LCARS skin to better fit with the rest of the theme.
 - Removed the gap from the main menu buttons in the LCARS skin.
+- Fixed some copy&paste errors in PLUGINS.html (thanks to Winfried Köhler).

PLUGINS.html

@@ -1687,7 +1687,7 @@ The first step in implementing a new skin is to derive a class from <tt>cSkin</t
 that provides the handling objects necessary to do the actual work:
 
 <p><table><tr><td class="code"><pre>
-#include "skins.h"
+#include &lt;vdr/skins.h&gt;
 
 class cMySkin : public cSkin {
 public:
@@ -1697,7 +1697,7 @@ public:
   virtual cSkinDisplayMenu *DisplayMenu(void);
   virtual cSkinDisplayReplay *DisplayReplay(bool ModeOnly);
   virtual cSkinDisplayVolume *DisplayVolume(void);
-  virtual cSkinDisplayMessage *DisplayTrack(int NumTracks, const char * const *Tracks);
+  virtual cSkinDisplayTracks *DisplayTracks(const char *Title, int NumTracks, const char * const *Tracks);
   virtual cSkinDisplayMessage *DisplayMessage(void);
   };
 </pre></td></tr></table><p>