speed things up a bit

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@304 726aef4b-f618-498e-8847-2d620e286838

modules/stickychan.cpp

@@ -60,6 +60,7 @@ public:
 					pChan->SetKey( it->second );
 				m_pUser->AddChan( pChan );
 				PutModule( "Joining [" + it->first + "]" );
+				PutIRC( "JOIN " + it->first + ( it->second.empty() ? "" : it->second ) );
 			}
 		}
 	}