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-rw-r--r--libraries/base/GHC/IO/Handle/Lock/Windows.hsc3
1 files changed, 3 insertions, 0 deletions
diff --git a/libraries/base/GHC/IO/Handle/Lock/Windows.hsc b/libraries/base/GHC/IO/Handle/Lock/Windows.hsc
index 45c060f901..1118e523ec 100644
--- a/libraries/base/GHC/IO/Handle/Lock/Windows.hsc
+++ b/libraries/base/GHC/IO/Handle/Lock/Windows.hsc
@@ -29,8 +29,11 @@ import Foreign.C.Error
import Foreign.C.Types
import Foreign.Marshal.Alloc
import Foreign.Marshal.Utils
+import GHC.Base
import GHC.IO.FD
import GHC.IO.Handle.FD
+import GHC.IO.Handle.Types (Handle)
+import GHC.IO.Handle.Lock.Common (LockMode(..))
import GHC.Ptr
import GHC.Windows