Tighten SafeHaskell

This was forgotten in e14fbe2c

Tighten SafeHaskell
e5a24114 · Herbert Valerio Riedel · 3c4ced48 · e5a24114
Commit e5a24114 authored 10 years ago by Herbert Valerio Riedel
--- a/System/Posix/Fcntl.hsc
+++ b/System/Posix/Fcntl.hsc
 {-# LANGUAGE CApiFFI #-}
-#ifdef __GLASGOW_HASKELL__
+#if __GLASGOW_HASKELL__ >= 709
+{-# LANGUAGE Safe #-}
+#elif __GLASGOW_HASKELL__ >= 703
 {-# LANGUAGE Trustworthy #-}
 #endif
 -----------------------------------------------------------------------------