inet_ntop, inet_pton: Simplify.

* modules/inet_ntop (Depends-on): Remove socklen, since sys_socket is
documented to provide socklen_t and we already depend on sys_socket.
* modules/inet_pton (Depends-on): Likewise.
* lib/arpa_inet.in.h: Adjust comment.

ChangeLog

@@ -1,3 +1,12 @@
+2011-03-19  Paul Eggert  <eggert@cs.ucla.edu>
+            Bruno Haible  <bruno@clisp.org>
+
+	inet_ntop, inet_pton: Simplify.
+	* modules/inet_ntop (Depends-on): Remove socklen, since sys_socket is
+	documented to provide socklen_t and we already depend on sys_socket.
+	* modules/inet_pton (Depends-on): Likewise.
+	* lib/arpa_inet.in.h: Adjust comment.
+
 2011-03-19  Paul Eggert  <eggert@cs.ucla.edu>
             Bruno Haible  <bruno@clisp.org>
 

lib/arpa_inet.in.h

@@ -27,8 +27,8 @@
 # include <features.h> /* for __GLIBC__ */
 #endif
 
-/* Gnulib's sys/socket.h is responsible for pulling in winsock2.h etc
-   under MinGW.
+/* Gnulib's sys/socket.h is responsible for defining socklen_t (used below) and
+   for pulling in winsock2.h etc. under MinGW.
    But avoid namespace pollution on glibc systems.  */
 #ifndef __GLIBC__
 # include <sys/socket.h>

modules/inet_ntop

@@ -6,7 +6,6 @@ lib/inet_ntop.c
 m4/inet_ntop.m4
 
 Depends-on:
-socklen
 sys_socket
 arpa_inet
 errno

modules/inet_pton

@@ -7,7 +7,6 @@ m4/inet_pton.m4
 
 Depends-on:
 c-ctype
-socklen
 sys_socket
 arpa_inet
 errno