dnsmasq: bump to v2.81rc3

Bump to latest release candidate and drop 2 local patches that have been
upstreamed.

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>

package/network/services/dnsmasq/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dnsmasq
-PKG_UPSTREAM_VERSION:=2.81rc2
+PKG_UPSTREAM_VERSION:=2.81rc3
 PKG_VERSION:=$(subst test,~~test,$(subst rc,~rc,$(PKG_UPSTREAM_VERSION)))
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_UPSTREAM_VERSION).tar.xz
 PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq/release-candidates
-PKG_HASH:=218a5414836c0a553b57f5506d001f48b5eadc869d0fa21499ab1cdca75c1912
+PKG_HASH:=c516904cec0ecb45b02ae7c192a4f08a59f734c7a332c15b26b44ffa3ae2925e
 
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=COPYING

package/network/services/dnsmasq/patches/0001-suppress-non-linux-network-unused-var-warnings.patch

@@ -1,50 +0,0 @@
-From e68b7bee24bb04c32554e153fea2cffd69437b65 Mon Sep 17 00:00:00 2001
-From: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
-Date: Fri, 6 Mar 2020 10:15:20 +0000
-Subject: [PATCH 1/2] suppress non linux network unused var warnings
-
-Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
----
- src/dnsmasq.c | 4 +++-
- src/network.c | 3 +++
- 2 files changed, 6 insertions(+), 1 deletion(-)
-
---- a/src/dnsmasq.c
-+++ b/src/dnsmasq.c
-@@ -1860,7 +1860,8 @@ static void check_dns_listeners(time_t n
- 		    if (daemon->tcp_pids[i] == 0 && daemon->tcp_pipes[i] == -1)
- 		      {
- 			char a;
--			
-+			(void)a; /* suppress potential unused warning */
-+
- 			daemon->tcp_pids[i] = p;
- 			daemon->tcp_pipes[i] = pipefd[0];
- #ifdef HAVE_LINUX_NETWORK
-@@ -1911,6 +1912,7 @@ static void check_dns_listeners(time_t n
- 	      if (!option_bool(OPT_DEBUG))
- 		{
- 		  char a = 0;
-+		  (void)a; /* suppress potential unused warning */
- 		  alarm(CHILD_LIFETIME);
- 		  close(pipefd[0]); /* close read end in child. */
- 		  daemon->pipe_to_parent = pipefd[1];
---- a/src/network.c
-+++ b/src/network.c
-@@ -785,6 +785,8 @@ int set_ipv6pktinfo(int fd)
- /* Find the interface on which a TCP connection arrived, if possible, or zero otherwise. */
- int tcp_interface(int fd, int af)
- { 
-+  (void)fd; /* suppress potential unused warning */
-+  (void)af; /* suppress potential unused warning */
-   int if_index = 0;
- 
- #ifdef HAVE_LINUX_NETWORK
-@@ -1187,6 +1189,7 @@ int local_bind(int fd, union mysockaddr
- #endif
-     }
- 
-+  (void)intname; /* suppress potential unused warning */
- #if defined(SO_BINDTODEVICE)
-   if (intname[0] != 0 &&
-       setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, intname, IF_NAMESIZE) == -1)

package/network/services/dnsmasq/patches/0002-rfc3315-fix-incorrect-logical-warning.patch

@@ -1,27 +0,0 @@
-From 84fe908e64a6e904166f728860ab8dfaa47850d2 Mon Sep 17 00:00:00 2001
-From: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
-Date: Fri, 6 Mar 2020 10:28:09 +0000
-Subject: [PATCH 2/2] rfc3315: fix incorrect logical '&&' warning
-
-rfc3315.c:1711:28: warning: use of logical '&&' with constant operand [-Wconstant-logical-operand]
-    if (!(addr_list->flags && ADDRLIST_DECLINED) ||
-                           ^  ~~~~~~~~~~~~~~~~~
-
-It's a flag bit so should be bitwise '&' operator
-
-Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
----
- src/rfc3315.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/src/rfc3315.c
-+++ b/src/rfc3315.c
-@@ -1708,7 +1708,7 @@ static int config_valid(struct dhcp_conf
-     return 0;
- 
-   for (addr_list = config->addr6; addr_list; addr_list = addr_list->next)
--    if (!(addr_list->flags && ADDRLIST_DECLINED) ||
-+    if (!(addr_list->flags & ADDRLIST_DECLINED) ||
- 	difftime(now, addr_list->decline_time) >= (float)DECLINE_BACKOFF)
-       {
- 	addrpart = addr6part(&addr_list->addr.addr6);