tests/docker: fix indentation

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

tests/docker-dns-srv/named.conf

@@ -1,15 +1,15 @@
 options {
-        directory "/var/bind";
-        listen-on { 127.0.0.1; };
-        listen-on-v6 { none; };
-        allow-transfer {
-                none;
-        };
-        // If you have problems and are behind a firewall:
-        query-source address * port 53;
-        pid-file "/var/run/named/named.pid";
-        allow-recursion { none; };
-        recursion no;
+      directory "/var/bind";
+      listen-on { 127.0.0.1; };
+      listen-on-v6 { none; };
+      allow-transfer {
+            none;
+      };
+      // If you have problems and are behind a firewall:
+      query-source address * port 53;
+      pid-file "/var/run/named/named.pid";
+      allow-recursion { none; };
+      recursion no;
 };
 
 zone "etcd.local" IN {

tests/docker-dns/named.conf

@@ -1,15 +1,15 @@
 options {
-        directory "/var/bind";
-        listen-on { 127.0.0.1; };
-        listen-on-v6 { none; };
-        allow-transfer {
-                none;
-        };
-        // If you have problems and are behind a firewall:
-        query-source address * port 53;
-        pid-file "/var/run/named/named.pid";
-        allow-recursion { none; };
-        recursion no;
+      directory "/var/bind";
+      listen-on { 127.0.0.1; };
+      listen-on-v6 { none; };
+      allow-transfer {
+            none;
+      };
+      // If you have problems and are behind a firewall:
+      query-source address * port 53;
+      pid-file "/var/run/named/named.pid";
+      allow-recursion { none; };
+      recursion no;
 };
 
 zone "etcd.local" IN {