haskell: Disambiguate truncate symbol.

This is a hack, but GHC doesn't like it if we have a symbol
with the same name as one in the Haskell Prelude.  Therefore
we much hide the corresponding symbol in the Prelude when
building this module.

diff --git a/src/generator.ml b/src/generator.ml
index 8b83496..d91fc24 100755 (executable)
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -9317,6 +9317,12 @@ module Guestfs (
 
   pr "
   ) where
+
+-- Unfortunately some symbols duplicate ones already present
+-- in Prelude.  We don't know which, so we hard-code a list
+-- here.
+import Prelude hiding (truncate)
+
 import Foreign
 import Foreign.C
 import Foreign.C.Types