o Minor changes from db.1.86 (sleepycat). Does not include the new hash

routines since they cannot read a hashed .db file from the old code.
Most of these files just have their RCS/SCCS tags standardized.
Note that mpool.3 has not been updated to reflect the new mpool interface.
o Add a real dbm(3) manpage

src/include/dbm.h

@@ -32,7 +32,7 @@
 
 __BEGIN_DECLS
 int	dbmclose __P((void));
-int	dbminit __P((char *));
+int	dbminit __P((const char *));
 int	delete __P((datum));
 datum	fetch __P((datum));
 datum	firstkey __P((void));