cs fix

Author: ASKozienko

pkg/amqp-lib/tutorial/rpc_server.php

@@ -17,9 +17,11 @@ function fib($n)
     if ($n == 0) {
         return 0;
     }
+
     if ($n == 1) {
         return 1;
     }
+
     return fib($n - 1) + fib($n - 2);
 }