homogenize msvs and ninja library_dir and libraries settings for Windows

pylib/gyp/generator/ninja.py

 # Copyright (c) 2013 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.
 
 import copy
 import hashlib
 import multiprocessing
 import os.path
 import re
 import signal
@@ skipping 1037 matching lines @@
           rpath += self.toolset
         ldflags.append('-Wl,-rpath=\$$ORIGIN/%s' % rpath)
         ldflags.append('-Wl,-rpath-link=%s' % rpath)
     self.WriteVariableList(ninja_file, 'ldflags',
                            gyp.common.uniquer(map(self.ExpandSpecial, ldflags)))
 
     library_dirs = config.get('library_dirs', [])
     if self.flavor == 'win':
       library_dirs = [self.msvs_settings.ConvertVSMacros(l, config_name)
                       for l in library_dirs]
-      library_dirs = [QuoteShellArgument('-LIBPATH:' + self.GypPathToNinja(l),
-                                         self.flavor)
+      library_dirs = ['/LIBPATH:' + QuoteShellArgument(self.GypPathToNinja(l),
+                                                       self.flavor)
                       for l in library_dirs]
     else:
       library_dirs = [QuoteShellArgument('-L' + self.GypPathToNinja(l),
                                          self.flavor)
                       for l in library_dirs]
 
     libraries = gyp.common.uniquer(map(self.ExpandSpecial,
                                        spec.get('libraries', [])))
     if self.flavor == 'mac':
       libraries = self.xcode_settings.AdjustLibraries(libraries, config_name)
@@ skipping 1054 matching lines @@
           arglists.append(
               (target_list, target_dicts, data, params, config_name))
         pool.map(CallGenerateOutputForConfig, arglists)
       except KeyboardInterrupt, e:
         pool.terminate()
         raise e
     else:
       for config_name in config_names:
         GenerateOutputForConfig(target_list, target_dicts, data, params,
                                 config_name)