setup_toolchain.py: Fix the path to win_sdk/bin/SetEnv*.json

build/toolchain/win/setup_toolchain.py

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Copies the given "win tool" (which the toolchain uses to wrap compiler
 # invocations) and the environment blocks for the 32-bit and 64-bit builds on
 # Windows to the build directory.
 #
 # The arguments are the visual studio install location and the location of the
 # win tool. The script assumes that the root build directory is the current dir
@@ skipping 72 matching lines @@
 
 def _LoadToolchainEnv(cpu, sdk_dir):
   """Returns a dictionary with environment variables that must be set while
   running binaries from the toolchain (e.g. INCLUDE and PATH for cl.exe)."""
   # Check if we are running in the SDK command line environment and use
   # the setup script from the SDK if so. |cpu| should be either
   # 'x86' or 'x64'.
   assert cpu in ('x86', 'x64')
   if bool(int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', 1))) and sdk_dir:
     # Load environment from json file.
-    env = os.path.normpath(os.path.join(sdk_dir, 'Bin/SetEnv.%s.json' % cpu))
+    env = os.path.normpath(os.path.join(sdk_dir, 'bin/SetEnv.%s.json' % cpu))
     env = json.load(open(env))['env']
     for k in env:
       entries = [os.path.join(*([os.path.join(sdk_dir, 'bin')] + e))
                  for e in env[k]]
       # clang-cl wants INCLUDE to be ;-separated even on non-Windows,
       # lld-link wants LIB to be ;-separated even on non-Windows.  Path gets :.
       # The separator for INCLUDE here must match the one used in main() below.
       sep = os.pathsep if k == 'PATH' else ';'
       env[k] = sep.join(entries)
     # PATH is a bit of a special case, it's in addition to the current PATH.
@@ skipping 118 matching lines @@
 
   assert vc_bin_dir
   assert '"' not in vc_bin_dir
   print 'vc_bin_dir = "%s"' % vc_bin_dir
   assert include
   assert '"' not in include
   print 'include_flags = "%s"' % include
 
 if __name__ == '__main__':
   main()