community/docker: niftix APKBUILD

switch '&> /dev/null' bashism to '>/dev/null 2>&1'

community/docker/APKBUILD

@@ -109,7 +109,7 @@ build() {
 	export GOBIN="$GOPATH/bin"
 	export PATH="$GOBIN:$PATH"
 	# go-md2man package installs go-md2man, but this looks for md2man
-	if ! command -v md2man &> /dev/null; then
+	if ! command -v md2man >/dev/null 2>&1; then
 		mkdir -p /tmp/bin
 		ln -sf /usr/bin/go-md2man /tmp/bin/md2man
 		export PATH="/tmp/bin:$PATH"