rephrase a log

src/brpc/input_messenger.cpp

@@ -86,7 +86,7 @@ ParseResult InputMessenger::CutInputMessage(
             // The protocol is fixed at client-side, no need to try others.
             LOG(ERROR) << "Fail to parse response from " << m->remote_side()
                        << " by " << _handlers[preferred].name 
-                       << " (client's protocol)";
+                       << " at client-side";
             return MakeParseError(PARSE_ERROR_ABSOLUTELY_WRONG);
         }
         // Clear context before trying next protocol which probably has