Fix bug in ninja generator when there's no default action.

test/rules/src/actions.gyp

 # Copyright (c) 2011 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'pull_in_all_actions',
       'type': 'none',
       'dependencies': [
         'subdir1/executable.gyp:*',
         'subdir2/never_used.gyp:*',
         'subdir2/no_inputs.gyp:*',
+        'subdir2/no_action.gyp:*',
         'subdir2/none.gyp:*',
         'subdir3/executable2.gyp:*',
         'subdir4/build-asm.gyp:*',
         'external/external.gyp:*',
       ],
     },
   ],
 }