mail/mailutils: update GNU Mailutils to version 3.16

Requested by:	maintainer

mail/mailutils/Makefile

@@ -1,6 +1,5 @@
 PORTNAME=	mailutils
-PORTVERSION=	3.15
-PORTREVISION=	3
+PORTVERSION=	3.16
 CATEGORIES=	mail
 MASTER_SITES=	GNU GNU_ALPHA
 
@@ -99,8 +98,6 @@ CONFIGURE_ARGS+=	--enable-debug
 post-patch:
 	@${REINPLACE_CMD} -e '/MU_AUTHLIBS=/s,-lldap,-llber &,' \
 		${WRKSRC}/configure
-	@${REINPLACE_CMD} -e '/need_charset_alias=/s|true|false|' \
-		${WRKSRC}/lib/gnu/Makefile.in
 	@${REINPLACE_CMD} -e '/chown/,+1s|ch|#&|' \
 		${WRKSRC}/dotlock/Makefile.in ${WRKSRC}/mda/mda/Makefile.in
 	@${REINPLACE_CMD} -e 's,-E,& -P,' ${WRKSRC}/libmu_scm/Makefile.in

mail/mailutils/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1650221916
-SHA256 (mailutils-3.15.tar.xz) = b7d0c286c352fcc7da7978cfd617cc66736b21fa891aa4f88855f516354f2ddb
-SIZE (mailutils-3.15.tar.xz) = 3112212
+TIMESTAMP = 1682941545
+SHA256 (mailutils-3.16.tar.xz) = 041d158d308c0376184388e9c936cfa841a51cdc25d4db75984a771a3fa002c0
+SIZE (mailutils-3.16.tar.xz) = 3217812

mail/mailutils/files/patch-libmailutils_base_hostname.c

@@ -0,0 +1,11 @@
+--- libmailutils/base/hostname.c.orig	2023-05-01 09:46:38 UTC
++++ libmailutils/base/hostname.c
+@@ -23,6 +23,8 @@
+ #include <unistd.h>
+ #include <errno.h>
+ #include <string.h>
++#include <sys/types.h>
++#include <sys/socket.h>
+ #include <netdb.h>
+ #include <mailutils/alloc.h>
+