I swear I did a make clean and make before committing all this...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120304 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm-c/lto.h b/include/llvm-c/lto.h
index 52e9c47..8dccc78 100644
--- a/include/llvm-c/lto.h
+++ b/include/llvm-c/lto.h
@@ -18,7 +18,7 @@
 
 #include <stdbool.h>
 #include <stddef.h>
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
 
 #define LTO_API_VERSION 4