Cygwin doesn't like .. through a link, so drop the ..
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19076 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Cygwin/SysConfig.cpp b/lib/System/Cygwin/SysConfig.cpp
index a42cddc..a32a701 100644
--- a/lib/System/Cygwin/SysConfig.cpp
+++ b/lib/System/Cygwin/SysConfig.cpp
@@ -12,7 +12,7 @@
//===----------------------------------------------------------------------===//
// Include the generic unix implementation
-#include "../Unix/SysConfig.cpp"
+#include "Unix/SysConfig.cpp"
namespace llvm {
using namespace sys;