Catch more known-bad versions of APC

Summary: Fixes T3550. @nmalcolm ended up with "3.1.15-dev".

Test Plan: n/a

Reviewers: btrahan, nmalcolm

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3550

Differential Revision: https://secure.phabricator.com/D6473

support/PhabricatorStartup.php

@@ -260,6 +260,7 @@ final class PhabricatorStartup {
       $known_bad = array(
         '3.1.14' => true,
         '3.1.15' => true,
+        '3.1.15-dev' => true,
       );
       if (isset($known_bad[$apc_version])) {
         self::didFatal(