Fixed a warning in _codecs_iso2022.c and some non C89 conform // comments.
diff --git a/Modules/bsddb.h b/Modules/bsddb.h
index 490da59..a209553 100644
--- a/Modules/bsddb.h
+++ b/Modules/bsddb.h
@@ -232,7 +232,7 @@
 #define DBSequenceObject_Check(v)  ((v)->ob_type == bsddb_api->dbsequence_type)
 #endif
 
-#endif // COMPILING_BSDDB_C
+#endif /* COMPILING_BSDDB_C */
 
 
-#endif // _BSDDB_H_
+#endif /* _BSDDB_H_ */