MSG_DEBUG now forwarded to all the winbindd children by parent.
smbcontrol winbindd debug level would only set the debug level of the
parent winbindd process and not the child processes. This patch adds
the functionality of broadcasting the debug message to all winbindd
children. Now the debug level message is propagated to all the winbindd
processes that includes parent and children.
From Darshan Purandare <dpurandare@isilon.com> - had to patch separately
due to proto.h not being under git control in 3.2.x.
Jeremy.