5910 libnisdb won't build with modern GCC

@@ -18,16 +18,15 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright 2015 Gary Mills
  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 /*
  * DESCRIPTION: Contains functions relating to movement of entire maps.
  */
 
 #include <unistd.h>

@@ -42,11 +41,10 @@
 
 /*
  * Switch on parts of ypdefs.h
  */
 USE_YPDBPATH
-USE_DBM
 
 /*
  * Decs
  */
 void add_separator(char *);