system/iproute2: bump to 4.18.0

system/iproute2/APKBUILD

 # Contributor: Natanael Copa <ncopa@alpinelinux.org>
 # Maintainer: Dan Theisen <djt@hxx.in>
 pkgname=iproute2
-pkgver=4.17.0
+pkgver=4.18.0
 pkgrel=0
 pkgdesc="IP configuration, routing, and traffic control utilities"
 url="https://wiki.linuxfoundation.org/networking/iproute2"
@@ -13,7 +13,7 @@ makedepends="bison flex bash libelf-dev libmnl-dev libcap-dev"
 # the testsuite in this package seems to be geared towards kernel developers
 options="!check"
 subpackages="$pkgname-doc $pkgname-bash-completion:bashcomp:noarch"
-source="http://kernel.org/pub/linux/utils/net/iproute2/iproute2-$pkgver.tar.xz
+source="https://kernel.org/pub/linux/utils/net/iproute2/iproute2-$pkgver.tar.xz
         fix-uapi-garbage.patch"
 
 prepare() {
@@ -55,5 +55,5 @@ bashcomp() {
 	rmdir -p "$pkgdir"/usr/share 2>/dev/null || true
 }
 
-sha512sums="ccd7fb70afd58f1fcd4e17c38a24607207da853c4d6118fda423efa6e51faad3ad03c4d6d58a579c40ef9c68aaf13b1c455e12b0c36e155712d3d4db3c2ff4b5  iproute2-4.17.0.tar.xz
+sha512sums="c7c8e8e76c78faf63548da641769cf9f51811a308cd8eeec171f5f46423f116ff123033f11a554609825aba6d078c95dbbe36aa7ab23bd8d87b3a0d5100be1a9  iproute2-4.18.0.tar.xz
 d9b40539f4ac074f20b0bb10381de9c3b64aadf612f0d599814cdb632fe97c76c9b4730406b08a6e53739670ca51ea0f699862156247cf20c3b7f4c78394fa46  fix-uapi-garbage.patch"