Issue #2513: enable 64bit cross compilation on windows.
diff --git a/Lib/distutils/msvccompiler.py b/Lib/distutils/msvccompiler.py
index f3acb53..30a9fc6 100644
--- a/Lib/distutils/msvccompiler.py
+++ b/Lib/distutils/msvccompiler.py
@@ -656,5 +656,5 @@
     log.debug("Importing new compiler from distutils.msvc9compiler")
     OldMSVCCompiler = MSVCCompiler
     from distutils.msvc9compiler import MSVCCompiler
-    from distutils.msvc9compiler import get_build_architecture
+    # get_build_architecture not really relevant now we support cross-compile
     from distutils.msvc9compiler import MacroExpander