Added missing virtual destructor to cPalette

HISTORY

@@ -6014,3 +6014,4 @@ Video Disk Recorder Revision History
   has been played. cDvbPlayer::Action() no longer calls DeviceFlush() (thanks to
   Reinhard Nissl for making sure vdr-xine no longer needs this).
 - Added missing '[]' to the delete operator in cMenuEditStrItem::~cMenuEditStrItem().
+- Added missing virtual destructor to cPalette.

osd.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: osd.c 2.1 2009/01/16 14:34:32 kls Exp $
+ * $Id: osd.c 2.2 2009/04/05 10:17:25 kls Exp $
  */
 
 #include "osd.h"
@@ -24,6 +24,10 @@ cPalette::cPalette(int Bpp)
   SetAntiAliasGranularity(10, 10);
 }
 
+cPalette::~cPalette()
+{
+}
+
 void cPalette::SetAntiAliasGranularity(uint FixedColors, uint BlendColors)
 {
   if (FixedColors >= MAXNUMCOLORS || BlendColors == 0)

osd.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: osd.h 2.1 2009/01/16 14:37:03 kls Exp $
+ * $Id: osd.h 2.2 2009/04/05 10:16:05 kls Exp $
  */
 
 #ifndef __OSD_H
@@ -62,6 +62,7 @@ protected:
 public:
   cPalette(int Bpp = 8);
         ///< Initializes the palette with the given color depth.
+  virtual ~cPalette();
   void SetAntiAliasGranularity(uint FixedColors, uint BlendColors);
         ///< Allows the system to optimize utilization of the limited color
         ///< palette entries when generating blended colors for anti-aliasing.