netdata: netdata.init: fix indentation

(cherry-picked from commit 9ff174097b)

admin/netdata/files/netdata.init

@@ -6,7 +6,7 @@ USE_PROCD=1
 APPBINARY=/usr/sbin/netdata
 CONFIGFILE=/etc/netdata/netdata.conf
 
-	start_service() {
+start_service() {
 	mkdir -m 0755 -p /var/cache/netdata
 	chown nobody /var/cache/netdata
 	mkdir -m 0755 -p /var/lib/netdata
@@ -18,4 +18,4 @@ CONFIGFILE=/etc/netdata/netdata.conf
 	procd_set_param file $CONFIGFILE
 	procd_set_param respawn
 	procd_close_instance
-	}
+}