[PATCH] Make a good guess about where MSVC and Windows SDK libraries are for linking.

[Zachary Turner]

================
Comment at: lib/Driver/WindowsToolChain.cpp:226
@@ +225,3 @@
+  bool unknownSdkLayout = false;
+  if (sdkMajor <= 7) {
+    if (x64)
----------------
hans wrote:
> I have no idea if this is correct, but I guess it looks reasonable :)
I found someone with an installation of the 7.0 SDK, and this is what he said his looked like.  So it seems correct.

http://reviews.llvm.org/D5873