Now resetting the isOnVideoDirectoryFileSystem member of a cRecording to -1 after renaming it

HISTORY

@@ -8255,3 +8255,6 @@ Video Disk Recorder Revision History
 - Now initializing the isOnVideoDirectoryFileSystem member of cRecording when
   scanning the video directory, so that it won't cause a delay when opening the menu
   on a system with a large number of recordings.
+- Now resetting the isOnVideoDirectoryFileSystem member of a cRecording to -1 after
+  renaming it, so that it will be re-checked upon the next call to
+  IsOnVideoDirectoryFileSystem().

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 3.17 2014/03/16 10:59:04 kls Exp $
+ * $Id: recording.c 3.18 2014/03/16 11:09:17 kls Exp $
  */
 
 #include "recording.h"
@@ -1237,6 +1237,7 @@ bool cRecording::ChangeName(const char *NewName)
         fileName = strdup(OldFileName);
         return false;
         }
+     isOnVideoDirectoryFileSystem = -1; // it might have been moved to a different file system
      ClearSortName();
      Recordings.ChangeState();
      Recordings.TouchUpdate();