x86_64 now uses the correct ELF e_machine type

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72986 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index c2353c1..88ab247 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -133,7 +133,8 @@
     DataLayout(Subtarget.getDataLayout()),
     FrameInfo(TargetFrameInfo::StackGrowsDown,
               Subtarget.getStackAlignment(), Subtarget.is64Bit() ? -8 : -4),
-    InstrInfo(*this), JITInfo(*this), TLInfo(*this) {
+    InstrInfo(*this), JITInfo(*this), TLInfo(*this),
+    ELFWriterInfo(Subtarget.is64Bit()) {
   DefRelocModel = getRelocationModel();
   // FIXME: Correctly select PIC model for Win64 stuff
   if (getRelocationModel() == Reloc::Default) {