community/arping: fix check

Change check to use a simple test instead of `make check`.
Seems `make check` requires root to run correctly. Anyway,
I opened a bug upstream related with tests failing on Alpine [1].

[1] - https://github.com/ThomasHabets/arping/issues/27

community/arping/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Francesco Colista <fcolista@alpinelinux.org>
 pkgname=arping
 pkgver=2.19
-pkgrel=0
+pkgrel=1
 pkgdesc="An ARP ping utility"
 url="http://www.habets.pp.se/synscan/programs.php?prog=arping"
 arch="all"
@@ -16,7 +16,7 @@ builddir="$srcdir"/$pkgname-$pkgver
 
 check() {
 	cd "$builddir"
-	make check
+	./src/arping --help > /dev/null
 }
 
 build() {