lib/standard: make IFStream a PollableIStream so it can be used as stdin

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/standard/file.nit b/lib/standard/file.nit
index 02edcaf..36878e5 100644 (file)
--- a/lib/standard/file.nit
+++ b/lib/standard/file.nit
@@ -48,6 +48,7 @@ end
 class IFStream
        super FStream
        super BufferedIStream
+       super PollableIStream
        # Misc
 
        # Open the same file again.
@@ -149,7 +150,6 @@ end
 
 class Stdin
        super IFStream
-       super PollableIStream
 
        private init do
                _file = new NativeFile.native_stdin