X86AsmParser.cpp: Fix up r172148, to add initializer in another CreateMem().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172157 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/AsmParser/X86AsmParser.cpp

@@ -528,6 +528,7 @@ struct X86Operand : public MCParsedAsmOperand {
     Res->Mem.Scale    = Scale;
     Res->Mem.Size     = Size;
     Res->Mem.NeedSizeDir = NeedSizeDir;
+    Res->AddressOf = false;
     return Res;
   }
 };