main/procps-ng: build with utmps

This is needed for the 'w' utility which uses utmp functions.

main/procps-ng/APKBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=procps-ng
 pkgver=4.0.4
-pkgrel=2
+pkgrel=3
 pkgdesc="Utilities for monitoring your system and processes on your system"
 url="https://gitlab.com/procps-ng/procps"
 arch="all"
@@ -12,6 +12,7 @@ makedepends="
 	gettext-dev
 	libtool
 	ncurses-dev
+	utmps-dev
 	"
 checkdepends="dejagnu"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-lang libproc2"
@@ -41,7 +42,8 @@ prepare() {
 }
 
 build() {
-	export LIBS="$LIBS -lintl"
+	export CFLAGS="$CFLAGS $(pkg-config --cflags libutmps)"
+	export LIBS="$LIBS -lintl $(pkg-config --libs libutmps)"
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \