Fixed typo causing tests to fail on non-MSVC machines.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163077 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/WindowsToolChain.cpp b/lib/Driver/WindowsToolChain.cpp
index 5fba6b4..ad2605a 100644
--- a/lib/Driver/WindowsToolChain.cpp
+++ b/lib/Driver/WindowsToolChain.cpp
@@ -350,7 +350,7 @@
   };
 
   for (unsigned i = 0; i < sizeof(FallbackPaths) / sizeof(FallbackPaths[0]); ++i)
-    Paths.push_back(Paths[i]);
+    Paths.push_back(FallbackPaths[i]);
 
   return Paths;
 }