udp: restore original flow without else block

commit 7fff679f added else block and
left continue that didn't make code flow following any easier.

modules/access/udp.c

@@ -264,11 +264,11 @@ static void* ThreadRead( void *data )
             if( errno == EINTR )
                 break;
             continue;
-        } else {
+        }
+
         pkt->i_buffer = len;
         block_FifoPut( sys->fifo, pkt );
     }
-    }
 
     block_FifoWake( sys->fifo );
     return NULL;