update of ffmpeg

Vocaluxe/Base/CSettings.cs

@@ -47,7 +47,7 @@ namespace Vocaluxe.Base
         public const int iVersionSub = 0;        // patches
         public const ERevision VersionRevision = ERevision.Alpha;
 
-        public const int iBuild = 67;             // Increase on every published version! Never Reset!
+        public const int iBuild = 68;             // Increase on every published version! Never Reset!
 
         public const int iDatabaseHighscoreVersion = 1;
         public const int iDatabaseCoverVersion = 1;