Remove duplicated code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124054 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86MCAsmInfo.cpp b/lib/Target/X86/X86MCAsmInfo.cpp
index e55edfe..6686214 100644
--- a/lib/Target/X86/X86MCAsmInfo.cpp
+++ b/lib/Target/X86/X86MCAsmInfo.cpp
@@ -17,6 +17,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ELF.h"
 using namespace llvm;
 
 enum AsmWriterFlavorTy {
@@ -98,7 +99,7 @@
 
 const MCSection *X86ELFMCAsmInfo::
 getNonexecutableStackSection(MCContext &Ctx) const {
-  return Ctx.getELFSection(".note.GNU-stack", MCSectionELF::SHT_PROGBITS,
+  return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS,
                            0, SectionKind::getMetadata());
 }