irqbalance Update init script to remove duplicate spaces

I have some strange issues with irqbalance sometimes overwriting smp_affinity values for banned/ignored IRQs. The issue is reproduceable and is mitigated when I change theway how the irqbalance command line is built. The only difference between the resulting command is that there is only one space between the -t parameter and the first -i parameter value.

Also see Irqbalance/irqbalance#297

Signed-off-by: Carsten Schuette <schuettecarsten@googlemail.com>

utils/irqbalance/files/irqbalance.init

@@ -37,7 +37,7 @@ start_service() {
 	if [ -n "$banned_cpulist" ]; then
 		procd_set_param env IRQBALANCE_BANNED_CPULIST="$banned_cpulist"
 	fi
-	procd_set_param command /usr/sbin/irqbalance -f -c "$deepestcache" -t "$interval" "$banirq"
+	procd_set_param command /usr/sbin/irqbalance -f -c $deepestcache -t $interval $banirq
 	procd_set_param respawn
 	procd_close_instance
 }