Fix lint errors found by Nemo

Summary:
See also:

- https://github.com/tpyo/amazon-s3-php-class/pull/33
- https://github.com/stripe/stripe-php/pull/13

Test Plan: Ran a script analyzing sources by HPHP.

Reviewers: btrahan, jungejason, epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D2713

src/applications/project/controller/PhabricatorProjectProfileController.php

@@ -345,8 +345,9 @@ final class PhabricatorProjectProfileController
   }
 
   private function renderSubprojectTable(
-    PhabricatorObjectHandleData $handles,
-    $subprojects_phids) {
+    array $handles,
+    array $subprojects_phids) {
+    assert_instances_of($handles, 'PhabricatorObjectHandle');
 
     $rows = array();
     foreach ($subprojects_phids as $subproject_phid) {