main/fprobe: fix shell variable expansion bug in init.d script

fixes #990

main/fprobe/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Carlo Landmeter <clandmeter@gmail.com>
 pkgname=fprobe
 pkgver=1.1
-pkgrel=5
+pkgrel=6
 pkgdesc="libpcap-based tool that collect network traffic"
 url="http://fprobe.sourceforge.net/"
 arch="all"
@@ -48,5 +48,5 @@ package() {
 md5sums="65850d0470078269b33eee58cba77ac2  fprobe-1.1.tar.bz2
 265c9d9c434df46fc224a1ce7051e27a  fprobe-1.1-pidfile-sanity.patch
 ba8632d883fb49e83ea16db67c50a69b  fprobe-1.1-setgroups.patch
-41810a73503624de2c27809e34ed80b4  fprobe.initd
+6dba73f47bd466c586a836d6f26fb712  fprobe.initd
 ba9c9327456e4db897b60481705df282  fprobe.confd"

main/fprobe/fprobe.initd

@@ -15,8 +15,9 @@ PIDFILE="/var/run/fprobe$PIDFILE_EXTRA.pid"
 start() {
 	ebegin "Starting fprobe"
 	local OPTS=""
+	set --
 	[ "${PROMISC}" == "yes" ] || OPTS="${OPTS} -p"
-	[ -n "${FILTER}" ] && OPTS="${OPTS} -f '${FILTER}'"
+	[ -n "${FILTER}" ] && set -- -f "${FILTER}"
 	for optname in i:IFACE s:TIMER_EXPIRED g:TIME_FRAGMENTED d:TIMER_IDLE \
 		e:TIMER_ACTIVE n:FLOW_VER a:LOCALIP x:SNMP_IFACE b:MEMBULK \
 		m:MEMLIMIT q:PENDING B:KERNBUF r:RTPRIO t:DELAY S:SNAPLEN \
@@ -28,7 +29,7 @@ start() {
 	OPTS="${OPTS} -l 1:${PIDFILE_ID} ${COLLECTORS}"
 	start-stop-daemon --start --exec $BIN \
 		--pidfile ${PIDFILE} \
-		-- ${OPTS}
+		-- "$@" ${OPTS}
 	eend $?
 }