Problem: goto jumping backwards

Solution: replace by for loop

src/pipe.cpp

@@ -181,7 +181,7 @@ bool zmq::pipe_t::read (msg_t *msg_)
     if (unlikely (state != active && state != waiting_for_delimiter))
         return false;
 
-read_message:
+    for (bool payload_read = false; !payload_read;) {
         if (!inpipe->read (msg_)) {
             in_active = false;
             return false;
@@ -194,7 +194,8 @@ read_message:
             credential.set (data, msg_->size ());
             const int rc = msg_->close ();
             zmq_assert (rc == 0);
-        goto read_message;
+        } else
+            payload_read = true;
     }
 
     //  If delimiter was read, start termination process of the pipe.