Use #include <string.h> rather than <strings.h> so that the strdup()

prototype gets brought into scope.  This is a big deal for 64 bit
systems where the default return value of 'int' is != pointer.

Reviewed by:	bp

contrib/smbfs/lib/smb/rap.c

@@ -30,6 +30,7 @@
  * SUCH DAMAGE.
  *
  * $Id: rap.c,v 1.8 2001/02/24 15:56:05 bp Exp $
+ * $FreeBSD$
  *
  * This is very simple implementation of RAP protocol.
  */
@@ -40,7 +41,7 @@
 #include <err.h>
 #include <stdio.h>
 #include <unistd.h>
-#include <strings.h>
+#include <string.h>
 #include <stdlib.h>
 #include <sysexits.h>