Minor spelling fix in partyline

Thanks to the-me for noticing this and sending a patch.


git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@1682 726aef4b-f618-498e-8847-2d620e286838

modules/partyline.cpp

@@ -547,7 +547,7 @@ public:
 			}
 			PutModule("--- End of list");
 	} else {
-			PutModule("Unkown command, try 'HELP'");
+			PutModule("Unknown command, try 'HELP'");
 		}
 	}