unix.types.linux: fix using

diff --git a/basis/unix/types/linux/linux.factor b/basis/unix/types/linux/linux.factor
index a2bac2ad67a37d818e225ec49692580dd97dfaa4..49ad297604a481d9f847cbff6c8531e09365cf35 100644 (file)
--- a/basis/unix/types/linux/linux.factor
+++ b/basis/unix/types/linux/linux.factor
@@ -1,4 +1,4 @@
-USING: alien.syntax alien.c-types ;
+USING: alien.syntax alien.c-types classes.struct ;
 IN: unix.types
 
 TYPEDEF: ulonglong __uquad_type