fixing pr changes

Author: joaosaffran

llvm/lib/ObjectYAML/DXContainerYAML.cpp

@@ -16,6 +16,7 @@
 #include "llvm/BinaryFormat/DXContainer.h"
 #include "llvm/Object/DXContainer.h"
 #include "llvm/Support/ScopedPrinter.h"
+#include <cstdint>
 
 namespace llvm {