Fix FreeBSD build due to previous changes to ProcessMonitor::Detach.

llvm-svn: 183150
diff --git a/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h b/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
index 7ddf083..a48cf78 100644
--- a/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
+++ b/lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.h
@@ -188,7 +188,7 @@
     BringProcessIntoLimbo();
 
     lldb_private::Error
-    Detach();
+    Detach(lldb::tid_t tid);
 
 
 private: