gnu: isc-dhcp: Update to 4.4.3.

* gnu/packages/admin.scm (isc-dhcp): Update to 4.4.3.
[source]: Remove upstreamed patch.
* gnu/packages/patches/isc-dhcp-gcc-compat.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1297,7 +1297,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/iputils-libcap-compat.patch		\
   %D%/packages/patches/ipxe-reproducible-geniso.patch	        \
   %D%/packages/patches/irrlicht-use-system-libs.patch		\
-  %D%/packages/patches/isc-dhcp-gcc-compat.patch		\
   %D%/packages/patches/isl-0.11.1-aarch64-support.patch	\
   %D%/packages/patches/json-c-0.13-CVE-2020-12762.patch	\
   %D%/packages/patches/json-c-0.12-CVE-2020-12762.patch	\

gnu/packages/admin.scm

@@ -1232,15 +1232,14 @@ connection alive.")
                                       bind-release-version)))
     (package
       (name "isc-dhcp")
-      (version "4.4.2-P1")
+      (version "4.4.3")
       (source (origin
                 (method url-fetch)
                 (uri (string-append "https://ftp.isc.org/isc/dhcp/"
                                     version "/dhcp-" version ".tar.gz"))
-                (patches (search-patches "isc-dhcp-gcc-compat.patch"))
                 (sha256
                  (base32
-                  "06jsr0cg5rsmyibshrpcb9za0qgwvqccashdma7mlm1rflrh8pmh"))))
+                  "062q2g8cj2zv0zv22x6pg21m21bdlscxkg3li0ac0pm0qasccghf"))))
       (build-system gnu-build-system)
       (arguments
        `(#:parallel-build? #f

gnu/packages/patches/isc-dhcp-gcc-compat.patch

@@ -1,72 +0,0 @@
-Add minor fixes for compiling with GCC 10.
-
-Taken from upstream:
-https://gitlab.isc.org/isc-projects/dhcp/-/commit/6c7e61578b1b449272dbb40dd8b98d03dad8a57a
-
-diff --git a/client/dhclient.c b/client/dhclient.c
---- a/client/dhclient.c
-+++ b/client/dhclient.c
-@@ -83,8 +83,9 @@ static const char message [] = "Internet Systems Consortium DHCP Client";
- static const char url [] = "For info, please visit https://www.isc.org/software/dhcp/";
- #endif /* UNIT_TEST */
- 
--u_int16_t local_port = 0;
--u_int16_t remote_port = 0;
-+extern u_int16_t local_port;
-+extern u_int16_t remote_port;
-+
- #if defined(DHCPv6) && defined(DHCP4o6)
- int dhcp4o6_state = -1; /* -1 = stopped, 0 = polling, 1 = started */
- #endif
-diff --git a/common/discover.c b/common/discover.c
---- a/common/discover.c
-+++ b/common/discover.c
-@@ -45,8 +45,8 @@ struct interface_info *fallback_interface = 0;
- 
- int interfaces_invalidated;
- int quiet_interface_discovery;
--u_int16_t local_port;
--u_int16_t remote_port;
-+u_int16_t local_port = 0;
-+u_int16_t remote_port = 0;
- u_int16_t relay_port = 0;
- int dhcpv4_over_dhcpv6 = 0;
- int (*dhcp_interface_setup_hook) (struct interface_info *, struct iaddr *);
-diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c
---- a/relay/dhcrelay.c
-+++ b/relay/dhcrelay.c
-@@ -95,8 +95,8 @@ enum { forward_and_append,	/* Forward and append our own relay option. */
-        forward_untouched,	/* Forward without changes. */
-        discard } agent_relay_mode = forward_and_replace;
- 
--u_int16_t local_port;
--u_int16_t remote_port;
-+extern u_int16_t local_port;
-+extern u_int16_t remote_port;
- 
- /* Relay agent server list. */
- struct server_list {
-diff --git a/server/mdb.c b/server/mdb.c
---- a/server/mdb.c
-+++ b/server/mdb.c
-@@ -67,7 +67,7 @@ static host_id_info_t *host_id_info = NULL;
- 
- int numclasseswritten;
- 
--omapi_object_type_t *dhcp_type_host;
-+extern omapi_object_type_t *dhcp_type_host;
- 
- isc_result_t enter_class(cd, dynamicp, commit)
- 	struct class *cd;
-diff --git a/server/mdb6.c b/server/mdb6.c
---- a/server/mdb6.c
-+++ b/server/mdb6.c
-@@ -1945,7 +1945,7 @@ create_prefix6(struct ipv6_pool *pool, struct iasubopt **pref,
- 		}
- 		new_ds.data = new_ds.buffer->data;
- 		memcpy(new_ds.buffer->data, ds.data, ds.len);
--		memcpy(new_ds.buffer->data + ds.len, &tmp, sizeof(tmp));
-+		memcpy(&new_ds.buffer->data[0] + ds.len, &tmp, sizeof(tmp));
- 		data_string_forget(&ds, MDL);
- 		data_string_copy(&ds, &new_ds, MDL);
- 		data_string_forget(&new_ds, MDL);