websrv_lib: fix noconnection.close(), that stub must exist.

bzr revid: p_christ@hol.gr-20100726093336-dom7pcu0a38bxlsb

bin/service/websrv_lib.py

@@ -142,6 +142,9 @@ class noconnection:
     def makefile(self, mode, bufsize):
         return None
 
+    def close(self):
+        pass
+
 class dummyconn:
     def shutdown(self, tru):
         pass