Drop the 2 from the spawn*2 functions

Issue #1022

src/compiletest/compiletest.rs

@@ -191,7 +191,7 @@ fn closure_to_task(cx: cx, configport: port<[u8]>, testfn: fn()) ->
     testfn();
     let testfile = recv(configport);
 
-    ret task::spawn_joinable2(
+    ret task::spawn_joinable(
         (cx.config, cx.procsrv.chan, testfile), run_test_task);
 }
 

src/compiletest/procsrv.rs

@@ -37,7 +37,7 @@ type response = {pid: int, infd: int, outfd: int, errfd: int};
 
 fn mk() -> handle {
     let setupport = port();
-    let task = task::spawn_joinable2(
+    let task = task::spawn_joinable(
         chan(setupport),
         fn# (setupchan: chan<chan<request>>) {
             let reqport = port();