oops, sloppy initial commit of non-blocking call (cherry picked from commit 34a36f3414615524d737fc38140eec660bbcd81f)

diff --git a/src/rexi.erl b/src/rexi.erl
index 0eaa324..abcea29 100644
--- a/src/rexi.erl
+++ b/src/rexi.erl
@@ -2,6 +2,7 @@
 -export([start/0, stop/0, restart/0]).
 -export([cast/2, cast/3, kill/2]).
 -export([reply/1]).
+-export([async_server_call/2, async_server_call/3]).
 
 -define(SERVER, rexi_server).
 
@@ -49,7 +50,7 @@
 %% is not monitored.  Clients who want to know if the server is alive should
 %% monitor it themselves before calling this function.
 -spec async_server_call(pid() | {atom(),node()}, pid(), any()) -> reference().
-async_server_call(Server, Caller, Name, Request) ->
+async_server_call(Server, Caller, Request) ->
     Ref = make_ref(),
     do_send(Server, {'$gen_call', {Caller,Ref}, Request}),
     Ref.