dns/dnsmasq: Fix --dhcp-relay not working on FreeBSD

PR:		283138
MFH:		2024Q2
Reported by:	Harald Schmalzbauer
Obtained from:	Simon Kelley, https://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=5a1f2c577db58ea47727f1b6900c0be25e6db205

(cherry picked from commit b572f52)

dns/dnsmasq/Makefile

@@ -1,7 +1,7 @@
 PORTNAME=	dnsmasq
 DISTVERSION=	2.90
 # Leave the PORTREVISION in even if 0 to avoid accidental PORTEPOCH bumps:
-PORTREVISION=	2
+PORTREVISION=	3
 PORTEPOCH=	1
 CATEGORIES=	dns
 MASTER_SITES=	https://www.thekelleys.org.uk/dnsmasq/ \
@@ -31,7 +31,6 @@ CPPFLAGS+=	-I${LOCALBASE}/include
 
 CONFLICTS_INSTALL=	dnsmasq-devel
 
-PATCH_STRIP=	-p1
 SUB_FILES=	pkg-message
 
 PORTDOCS=	CHANGELOG CHANGELOG.archive FAQ doc.html setup.html

dns/dnsmasq/files/patch-CHANGELOG

@@ -0,0 +1,10 @@
+--- CHANGELOG.orig	2024-02-13 13:49:15 UTC
++++ CHANGELOG
+@@ -1,3 +1,7 @@
++post version 2.90
++	Fix broken dhcp-relay on *BSD. Thanks to Harold for finding
++	this problem.
++
+ version 2.90
+ 	Fix reversion in --rev-server introduced in 2.88 which
+ 	caused breakage if the prefix length is not exactly divisible

dns/dnsmasq/files/patch-src_dhcp.c

@@ -0,0 +1,12 @@
+--- src/dhcp.c.orig	2024-02-13 13:49:15 UTC
++++ src/dhcp.c
+@@ -1121,6 +1121,9 @@ static int relay_upstream4(int iface_index, struct dhc
+ 	to.sa.sa_family = AF_INET;
+ 	to.in.sin_addr = relay->server.addr4;
+ 	to.in.sin_port = htons(relay->port);
++#ifdef HAVE_SOCKADDR_SA_LEN
++	to.in.sin_len = sizeof(struct sockaddr_in);
++#endif
+
+ 	/* Broadcasting to server. */
+ 	if (relay->server.addr4.s_addr == 0)