nit followup to r1510: Add '.'s at the end of two comments.

test/standalone-static-library/gyptest-standalone-static-library.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 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.
 
 """
 Verifies build of a static_library with the standalone_static_library flag set.
 """
 
 import os
 import subprocess
 import sys
 import TestGyp
 
 test = TestGyp.TestGyp()
 
 test.run_gyp('mylib.gyp')
 test.build('mylib.gyp', target='prog')
 
-# Verify that the static library is copied to PRODUCT_DIR
+# Verify that the static library is copied to PRODUCT_DIR.
 built_lib = test.built_file_basename('mylib', type=test.STATIC_LIB)
 path = test.built_file_path(built_lib)
 test.must_exist(path)
 
-# Verify that the program runs properly
+# Verify that the program runs properly.
 expect = 'hello from mylib.c\n'
 test.run_built_executable('prog', stdout=expect)
 
 # Verify that libmylib.a contains symbols.  "ar -x" fails on a 'thin' archive.
 if test.format in ('make', 'ninja') and sys.platform.startswith('linux'):
   retcode = subprocess.call(['ar', '-x', path])
   assert retcode == 0
 
-test.pass_test()
+test.pass_test()