<rdar://problem/13455021>

lldb crashes with universal file containing skinny BSD archives when doing DWARF with .o file debugging.

llvm-svn: 182437
diff --git a/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp b/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
index 109e429..fdd6186 100644
--- a/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
+++ b/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
@@ -457,7 +457,7 @@
                                                        module_sp->GetObjectModificationTime());
             if (object)
             {
-                lldb::offset_t data_offset = m_offset + object->ar_file_offset;
+                lldb::offset_t data_offset = object->ar_file_offset;
                 return ObjectFile::FindPlugin (module_sp,
                                                file, 
                                                m_offset + object->ar_file_offset,