don't use VS subdir for 2013 toolchain builder

tools/win/toolchain/toolchain2013.py

Index: tools/win/toolchain/toolchain2013.py
diff --git a/tools/win/toolchain/toolchain2013.py b/tools/win/toolchain/toolchain2013.py
index 6f309db118bd8dc66f15f38be792f60d53f08724..9b886d4a70ad5e3eed038037f538bc229b1dfb17 100644
--- a/tools/win/toolchain/toolchain2013.py
+++ b/tools/win/toolchain/toolchain2013.py
@@ -75,7 +75,7 @@ def ExtractComponents(image):
 def CopyToFinalLocation(extracted_dirs, target_dir):
   sys.stdout.write('Copying to final location...\n')
   mappings = {
-      'Program Files\\Microsoft Visual Studio 12.0\\': 'vs\\',
+      'Program Files\\Microsoft Visual Studio 12.0\\': '.\\',
       'Windows Kits\\8.0\\': 'win8sdk\\',
       'System64\\': 'sys64\\',
       'System\\': 'sys32\\',
@@ -112,26 +112,26 @@ def GenerateSetEnvCmd(target_dir, pro):
     file.write('@echo off\n')
     file.write(':: Generated by tools\\win\\toolchain\\toolchain2013.py.\n')
     # Common to x86 and x64
-    file.write('set PATH=%~dp0..\\..\\vs\\Common7\\IDE;%PATH%\n')
+    file.write('set PATH=%~dp0..\\..\\Common7\\IDE;%PATH%\n')
     file.write('set INCLUDE=%~dp0..\\..\\win8sdk\\Include\\um;'
                '%~dp0..\\..\\win8sdk\\Include\\shared;'
-               '%~dp0..\\..\\vs\\VC\\include;'
-               '%~dp0..\\..\\vs\\VC\\atlmfc\\include\n')
+               '%~dp0..\\..\\VC\\include;'
+               '%~dp0..\\..\\VC\\atlmfc\\include\n')
     file.write('if "%1"=="/x64" goto x64\n')
 
     # x86. If we're Pro, then use the amd64_x86 cross (we don't support x86
     # host at all).
     if pro:
       file.write('set PATH=%~dp0..\\..\\win8sdk\\bin\\x86;'
-                '%~dp0..\\..\\vs\\VC\\bin\\amd64_x86;'
-                '%~dp0..\\..\\vs\\VC\\bin\\amd64;'  # Needed for mspdb120.dll.
+                '%~dp0..\\..\\VC\\bin\\amd64_x86;'
+                '%~dp0..\\..\\VC\\bin\\amd64;'  # Needed for mspdb120.dll.
                 '%PATH%\n')
     else:
       file.write('set PATH=%~dp0..\\..\\win8sdk\\bin\\x86;'
-                '%~dp0..\\..\\vs\\VC\\bin;%PATH%\n')
-    file.write('set LIB=%~dp0..\\..\\vs\\VC\\lib;'
+                '%~dp0..\\..\\VC\\bin;%PATH%\n')
+    file.write('set LIB=%~dp0..\\..\\VC\\lib;'
                '%~dp0..\\..\\win8sdk\\Lib\\win8\\um\\x86;'
-               '%~dp0..\\..\\vs\\VC\\atlmfc\\lib\n')
+               '%~dp0..\\..\\VC\\atlmfc\\lib\n')
     file.write('goto done\n')
 
     # Express does not include a native 64 bit compiler, so we have to use
@@ -140,17 +140,17 @@ def GenerateSetEnvCmd(target_dir, pro):
       # x86->x64 cross.
       file.write(':x64\n')
       file.write('set PATH=%~dp0..\\..\\win8sdk\\bin\\x64;'
-                 '%~dp0..\\..\\vs\\VC\\bin\\x86_amd64;'
+                 '%~dp0..\\..\\VC\\bin\\x86_amd64;'
                  '%PATH%\n')
     else:
       # x64 native.
       file.write(':x64\n')
       file.write('set PATH=%~dp0..\\..\\win8sdk\\bin\\x64;'
-                 '%~dp0..\\..\\vs\\VC\\bin\\amd64;'
+                 '%~dp0..\\..\\VC\\bin\\amd64;'
                  '%PATH%\n')
-    file.write('set LIB=%~dp0..\\..\\vs\\VC\\lib\\amd64;'
+    file.write('set LIB=%~dp0..\\..\\VC\\lib\\amd64;'
                '%~dp0..\\..\\win8sdk\\Lib\\win8\\um\\x64;'
-               '%~dp0..\\..\\vs\\VC\\atlmfc\\lib\\amd64\n')
+               '%~dp0..\\..\\VC\\atlmfc\\lib\\amd64\n')
     file.write(':done\n')