get a definition of strull on windows, thanks to Howard Su.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index 0828594..95937d2 100644
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -14,6 +14,7 @@
#include "AsmLexer.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Config/config.h" // for strtoull.
#include <cerrno>
#include <cstdio>
#include <cstdlib>