Restore "%d" support to "tsprintf()"

Summary: Ref T13490. I recently made "tsprintf()" more strict, but we do sometimes use "%d" and this is reasonable to support.

Test Plan: Ran "arc branch".

Maniphest Tasks: T13490

Differential Revision: https://secure.phabricator.com/D21098

src/xsprintf/tsprintf.php

@@ -48,6 +48,9 @@ function xsprintf_terminal($userdata, &$pattern, &$pos, &$value, &$length) {
       $value = PhutilTerminalString::escapeStringValue($value, false);
       $type = 's';
       break;
+    case 'd':
+      $type = 'd';
+      break;
     default:
       throw new Exception(
         pht(