Fixed empty recv case (#4577).

redminebot.py

@@ -171,8 +171,8 @@ class Bot(object):
     def msg_handler(self):  # pragma: no cover  (this excludes this function from testing)
         new_msg = self.ircsock.recv(2048)  # receive data from the server
         if not new_msg:
-            print "Empty recv."
-            new_msg=''
+            print "Empty recv. It seems I’ve lost my mind. I stop to be reborn."
+            sys.exit(7)
         else:
             new_msg = new_msg.strip('\n\r')  # removing any unnecessary linebreaks
             if new_msg != '' and new_msg.find("PING :") == -1: