Missed a spot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Unix/Unix.h b/lib/Support/Unix/Unix.h
index c15866f..9b75811 100644
--- a/lib/Support/Unix/Unix.h
+++ b/lib/Support/Unix/Unix.h
@@ -20,7 +20,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Config/config.h"     // Get autoconf configuration settings
-#include "llvm/System/Errno.h"
+#include "llvm/Support/Errno.h"
 #include <cstdlib>
 #include <cstdio>
 #include <cstring>