[SystemZ][z/OS] add back headers needed for strnlen, autoconversion

Author: abhina-sree

llvm/lib/ObjCopy/MachO/MachOLayoutBuilder.cpp

@@ -10,6 +10,7 @@
 #include "llvm/Support/Alignment.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SystemZ/zOSSupport.h"
 
 using namespace llvm;
 using namespace llvm::objcopy::macho;

llvm/lib/ObjCopy/MachO/MachOObject.cpp

@@ -8,6 +8,7 @@
 
 #include "MachOObject.h"
 #include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Support/SystemZ/zOSSupport.h"
 #include <unordered_set>
 
 using namespace llvm;

llvm/lib/ObjCopy/MachO/MachOReader.cpp

@@ -10,6 +10,7 @@
 #include "MachOObject.h"
 #include "llvm/BinaryFormat/MachO.h"
 #include "llvm/Object/MachO.h"
+#include "llvm/Support/SystemZ/zOSSupport.h"
 #include <memory>
 
 using namespace llvm;

llvm/lib/ObjectYAML/MachOEmitter.cpp

@@ -20,6 +20,7 @@
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/LEB128.h"
 #include "llvm/Support/YAMLTraits.h"
+#include "llvm/Support/SystemZ/zOSSupport.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;

llvm/lib/ObjectYAML/MachOYAML.cpp

@@ -15,6 +15,7 @@
 #include "llvm/BinaryFormat/MachO.h"
 #include "llvm/Support/YAMLTraits.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/SystemZ/zOSSupport.h"
 #include "llvm/TargetParser/Host.h"
 #include <cstdint>
 #include <cstring>

llvm/lib/Support/raw_ostream.cpp

@@ -13,6 +13,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Config/config.h"
+#include "llvm/Support/AutoConvert.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Duration.h"
 #include "llvm/Support/ErrorHandling.h"