core-foundation.run-loop: update using.

diff --git a/basis/core-foundation/run-loop/run-loop.factor b/basis/core-foundation/run-loop/run-loop.factor
index 724812d3c20ad873e9c3378f4464d9c659de064d..c4931418655dee8004032e18241d69be58e8a83c 100644 (file)
--- a/basis/core-foundation/run-loop/run-loop.factor
+++ b/basis/core-foundation/run-loop/run-loop.factor
@@ -1,11 +1,10 @@
 ! Copyright (C) 2008, 2010 Slava Pestov
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien alien.c-types alien.syntax calendar
-classes.struct combinators core-foundation
-core-foundation.file-descriptors core-foundation.strings
-core-foundation.time core-foundation.timers deques destructors
-heaps kernel math namespaces sequences system threads unix
-unix.time ;
+USING: accessors alien alien.c-types alien.syntax
+core-foundation core-foundation.file-descriptors
+core-foundation.strings core-foundation.time
+core-foundation.timers destructors kernel math sequences threads
+;
 FROM: calendar.unix => system-micros ;
 IN: core-foundation.run-loop