Ports: Update diffutils to version 3.7

Ports/AvailablePorts.md

@@ -20,7 +20,7 @@ Please make sure to keep this list up to date when adding and updating ports. :^
 | [`curl`](curl/) | curl | 7.77.0 | https://curl.se/ |
 | [`dash`](dash/) | DASH | 0.5.10.2 | https://gondor.apana.org.au/~herbert/dash |
 | [`dialog`](dialog/) | Dialog | 1.3-20210324 | https://invisible-island.net/dialog/ |
-| [`diffutils`](diffutils/) | GNU Diffutils | 3.5 | https://www.gnu.org/software/diffutils/ |
+| [`diffutils`](diffutils/) | GNU Diffutils | 3.7 | https://www.gnu.org/software/diffutils/ |
 | [`dmidecode`](dmidecode/) | dmidecode | 3.3 | https://github.com/mirror/dmidecode |
 | [`doom`](doom/) | DOOM | | https://github.com/SerenityOS/SerenityDOOM |
 | [`dropbear`](dropbear/) | Dropbear SSH | 2019.78 | https://dropbear.nl/mirror/dropbear.html |

Ports/diffutils/package.sh

@@ -1,9 +1,7 @@
 #!/usr/bin/env -S bash ../.port_include.sh
 port=diffutils
-version=3.5
-files="https://ftpmirror.gnu.org/gnu/diffutils/diffutils-${version}.tar.xz diffutils-${version}.tar.xz
-https://ftpmirror.gnu.org/gnu/diffutils/diffutils-${version}.tar.xz.sig diffutils-${version}.tar.xz.sig
-https://ftpmirror.gnu.org/gnu/gnu-keyring.gpg gnu-keyring.gpg"
+version=3.7
+files="https://ftpmirror.gnu.org/gnu/diffutils/diffutils-${version}.tar.xz diffutils-${version}.tar.xz b3a7a6221c3dc916085f0d205abf6b8e1ba443d4dd965118da364a1dc1cb3a26"
+auth_type=sha256
 useconfigure=true
-auth_type="sig"
-auth_opts="--keyring ./gnu-keyring.gpg diffutils-${version}.tar.xz.sig"
+depends="libiconv"

Ports/diffutils/patches/config.sub.patch

@@ -0,0 +1,11 @@
+--- diffutils-3.7/build-aux/config.sub 2018-12-24 02:21:56.000000000 +0100
++++ diffutils-3.7-patched/build-aux/config.sub 2021-06-13 16:00:32.864108734 +0200
+@@ -1337,7 +1337,7 @@
+ gnu* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+ | *vms* | esix* | aix* | cnk* | sunos | sunos[34]*\
+ | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+- | sym* | kopensolaris* | plan9* \
++ | sym* | kopensolaris* | plan9* | serenity* \
+ | amigaos* | amigados* | msdos* | newsos* | unicos* | aof* \
+ | aos* | aros* | cloudabi* | sortix* \
+ | nindy* | vxsim* | vxworks* | ebmon* | hms* | mvs* \