Bug 1440693 - fix setting of host and port in mailnews/. r=aceman

--HG--
extra : rebase_source : 86de61daf833825dca9c5e78b8b8b1805920bafd

mailnews/addrbook/prefs/content/pref-directory-add.js

@@ -330,10 +330,15 @@ function onAccept()
         (secure.checked ? "ldaps://" : "ldap://") + "localhost/dc=???")
         .QueryInterface(Ci.nsILDAPURL);
 
-      ldapUrl.host = hostname;
-      ldapUrl.port = port ? port :
-                            (secure.checked ? kDefaultSecureLDAPPort :
-                                              kDefaultLDAPPort);
+      let newPort = port ? port :
+                          (secure.checked ? kDefaultSecureLDAPPort :
+                                            kDefaultLDAPPort);
+      ldapUrl = ldapUrl.mutate()
+                       .setHost(hostname)
+                       .setPort(newPort)
+                       .finalize()
+                       .QueryInterface(Ci.nsILDAPURL);
+
       ldapUrl.dn = document.getElementById("basedn").value;
       ldapUrl.scope = document.getElementById("one").selected ?
                       Ci.nsILDAPURL.SCOPE_ONELEVEL :

mailnews/extensions/newsblog/content/Feed.js

@@ -36,7 +36,8 @@ var FeedCache =
     try
     {
       let normalizedUrl = Services.io.newURI(aUrl);
-      normalizedUrl.host = normalizedUrl.host.toLowerCase();
+      let newHost = host.toLowerCase();
+      normalizedUrl = normalizedUrl.mutate().setHost(newHost).finalize();
       return normalizedUrl.spec
     }
     catch (ex)