update ARMeillure internal version

I forgot to include this change in the previous commit

src/ARMeilleure/Translation/PTC/Ptc.cs

@@ -30,7 +30,7 @@ class Ptc : IPtcLoadState
         private const string OuterHeaderMagicString = "PTCohd\0\0";
         private const string InnerHeaderMagicString = "PTCihd\0\0";
 
-        private const uint InternalVersion = 6992; //! To be incremented manually for each change to the ARMeilleure project.
+        private const uint InternalVersion = 6997; //! To be incremented manually for each change to the ARMeilleure project.
 
         private const string ActualDir = "0";
         private const string BackupDir = "1";