hopefully fix the build on linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73857 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index 578eec18526a86a6a339dffd18b552508a247e16..4a68d0d354c8571c49b12b477eb9c3d6f9e59e61 100644 (file)
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -15,6 +15,7 @@
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include <cerrno>
+#include <cstdlib>
 using namespace llvm;
 
 AsmLexer::AsmLexer(SourceMgr &SM) : SrcMgr(SM) {