Change process kill to call Process::Destroy (force_kill = true);
follow-up to the change in r235158.  Right now if you attach to 
a process and type "kill", lldb doesn't kill it, it detaches.
<rdar://problem/20691198> 

llvm-svn: 236363
diff --git a/lldb/source/Commands/CommandObjectProcess.cpp b/lldb/source/Commands/CommandObjectProcess.cpp
index c9d9210..a249c4e 100644
--- a/lldb/source/Commands/CommandObjectProcess.cpp
+++ b/lldb/source/Commands/CommandObjectProcess.cpp
@@ -1466,7 +1466,7 @@
 
         if (command.GetArgumentCount() == 0)
         {
-            Error error (process->Destroy(false));
+            Error error (process->Destroy(true));
             if (error.Success())
             {
                 result.SetStatus (eReturnStatusSuccessFinishResult);