Add printing the LC_THREAD load commands with llvm-objdump’s -private-headers.

llvm-svn: 224792
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index 4543948..1373dba 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -2342,6 +2342,11 @@
   return getStruct<MachO::routines_command_64>(this, L.Ptr);
 }
 
+MachO::thread_command
+MachOObjectFile::getThreadCommand(const LoadCommandInfo &L) const {
+  return getStruct<MachO::thread_command>(this, L.Ptr);
+}
+
 MachO::any_relocation_info
 MachOObjectFile::getRelocation(DataRefImpl Rel) const {
   DataRefImpl Sec;