Fix named.init check against returned values by bind (#4039)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@12724 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/bind/files/named.init

@@ -9,7 +9,7 @@ start() {
 
   /usr/sbin/named -c $config_file
 
-  if [ $$ -eq 0 ]
+  if [ $? -eq 0 ]
   then
     echo "  isc-bind failed to start"
   fi
@@ -21,7 +21,7 @@ stop() {
   then
     kill `cat $pid_file`
 
-    if [ $$ -eq 0 ]
+    if [ $? -eq 0 ]
     then
       echo "  PID " `cat $pid_file` not found
       echo "  Is the named server running?"