add category field

diff --git a/directory.cabal b/directory.cabal
index 56ae5a2..49bc296 100644 (file)
--- a/directory.cabal
+++ b/directory.cabal
@@ -6,6 +6,7 @@ maintainer:     libraries@haskell.org
 synopsis:      library for directory handling
 description:
        This package provides a library for handling directories.
+category:       System
 build-type: Configure
 extra-tmp-files:
         config.log config.status autom4te.cache