Workaround to make the recog package load again.

The recog package assigns to SMTX.InvariantBilinearForm in c6.gi;
however, for HPCGAP, this record is made read-only. We change it
to an atomic record so that we don't get a write guard error.

lib/meatauto.gi

@@ -1690,5 +1690,5 @@ SMTX.SetEndAlgResidue:=SMTX.Setter("endAlgResidue");
 SMTX.EndAlgResidue:=SMTX.Getter("endAlgResidue");
 
 if IsHPCGAP then
-    MakeReadOnlyObj(SMTX);
+    SMTX := AtomicRecord(SMTX);
 fi;