Fix sf bug #1915864 (patch from x-x)

If you do /names #chan when you are not in #chan, you never got
the reply.

Thanks to Xaquseg for reporting.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@990 726aef4b-f618-498e-8847-2d620e286838