contractcourt/chainwatcher: add missing chanpoint log

contractcourt/chain_watcher.go

@@ -607,8 +607,9 @@ func (c *chainWatcher) closeObserver(spendNtfn *chainntnfs.SpendEvent) {
 					c.cfg.chanState.FundingOutpoint)
 
 			} else {
-				log.Infof("ChannelPoint(%v) is tweakless, " +
-					"moving to sweep directly on chain")
+				log.Infof("ChannelPoint(%v) is tweakless, "+
+					"moving to sweep directly on chain",
+					c.cfg.chanState.FundingOutpoint)
 			}
 
 			// Since we don't have the commitment stored for this