Fix a few more undeclared properties

Summary: Ref T8538. Ref T8539. Ref T8541.

Test Plan: Eyeball it.

Reviewers: epriestley, de_jean_7777, benoittgt, #blessed_reviewers

Reviewed By: benoittgt

Subscribers: epriestley, Korvin

Maniphest Tasks: T8541, T8538, T8539

Differential Revision: https://secure.phabricator.com/D13293

src/applications/diffusion/query/pathid/DiffusionPathIDQuery.php

@@ -5,6 +5,8 @@
  */
 final class DiffusionPathIDQuery extends Phobject {
 
+  private $paths = array();
+
   public function __construct(array $paths) {
     $this->paths = $paths;
   }

src/applications/feed/builder/PhabricatorFeedBuilder.php

@@ -2,6 +2,7 @@
 
 final class PhabricatorFeedBuilder extends Phobject {
 
+  private $user;
   private $stories;
   private $framed;
   private $hovercards = false;

src/applications/herald/adapter/HeraldDifferentialRevisionAdapter.php

@@ -3,6 +3,7 @@
 final class HeraldDifferentialRevisionAdapter
   extends HeraldDifferentialAdapter {
 
+  protected $diff;
   protected $revision;
 
   protected $explicitReviewers;

src/applications/metamta/adapter/PhabricatorMailImplementationPHPMailerLiteAdapter.php

@@ -6,6 +6,8 @@
 class PhabricatorMailImplementationPHPMailerLiteAdapter
   extends PhabricatorMailImplementationAdapter {
 
+  protected $mailer;
+
   /**
    * @phutil-external-symbol class PHPMailerLite
    */

src/applications/releeph/view/branch/ReleephBranchTemplate.php

@@ -4,6 +4,11 @@ final class ReleephBranchTemplate extends Phobject {
 
   const KEY = 'releeph.default-branch-template';
 
+  private $commitHandle;
+  private $branchDate;
+  private $projectName;
+  private $isSymbolic;
+
   public static function getDefaultTemplate() {
     return PhabricatorEnv::getEnvConfig(self::KEY);
   }