mason.build: fix using

diff --git a/extra/mason/build/build.factor b/extra/mason/build/build.factor
index f3f86ce452bfd887190725f8a4164674e8925fcc..c4e023e0286afdd054ce38811e5973d17926fc85 100644 (file)
--- a/extra/mason/build/build.factor
+++ b/extra/mason/build/build.factor
@@ -1,9 +1,10 @@
 ! Copyright (C) 2008, 2011 Eduardo Cavazos, Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: arrays calendar combinators continuations io.directories
-io.pathnames kernel mason.child mason.cleanup mason.common
-mason.config mason.docs mason.git mason.notify mason.platform
-mason.release mason.updates namespaces sequences ;
+USING: arrays calendar combinators continuations io.backend
+io.directories io.pathnames kernel mason.child mason.cleanup
+mason.common mason.config mason.docs mason.git mason.notify
+mason.platform mason.release mason.updates namespaces sequences
+;
 IN: mason.build
 
 : create-build-dir ( -- )