Fix std::string initialization in Queue ctor.
<rdar://problem/15694319> 


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197631 91177308-0d34-0410-b5e6-96231b3b80d8
Fix return type of ReadLibdispatchOffsetsAddress.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197632 91177308-0d34-0410-b5e6-96231b3b80d8
<rdar://problem/15639995>

Allow the root XPC launcher to launch any target as root.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@197634 91177308-0d34-0410-b5e6-96231b3b80d8