Fix a constant typo in Diviner ("DECLARATAION" -> "TION")

Summary: Fixes T12351. This got typo'd in D17377.

Test Plan: `bin/diviner generate --clean --book src/docs/book/phabricator.book`

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T12351

Differential Revision: https://secure.phabricator.com/D17460

Author: epriestley

src/applications/diviner/atomizer/DivinerPHPAtomizer.php

@@ -128,7 +128,7 @@ protected function executeAtomize($file_name, $file_data) {
 
   private function parseParams(DivinerAtom $atom, AASTNode $func) {
     $params = $func
-      ->getChildOfType(3, 'n_DECLARATAION_PARAMETER_LIST')
+      ->getChildOfType(3, 'n_DECLARATION_PARAMETER_LIST')
       ->selectDescendantsOfType('n_DECLARATION_PARAMETER');
 
     $param_spec = array();