adblock: maintenance update 2.6.3

backend:
* various small fixes & optimizations
 
LuCI frontend (see luci repo):
* Limit Blacklist/Whitelist Online editing to max. 512 KB, approx.
20.000 domains per list
* Automatically refresh the overview page after button onclick event,
e.g. 'Suspend/Resume' or 'Save & Apply'
* cosmetics

Signed-off-by: Dirk Brenken <dev@brenken.org>

net/adblock/files/adblock.init

@@ -22,7 +22,7 @@ boot()
 
 start_service()
 {
-    if [ $("${adb_init}" enabled; printf ${?}) -eq 0 ]
+    if [ $("${adb_init}" enabled; printf "%u" ${?}) -eq 0 ]
     then
         if [ -n "${adb_boot}" ]
         then
@@ -36,6 +36,11 @@ start_service()
     fi
 }
 
+reload_service()
+{
+    rc_procd start_service reload
+}
+
 stop_service()
 {
     rc_procd "${adb_script}" stop