[pygobject] test_iochannel.py: Fix data type of IOFlags

[Martin Pitt <martinpitt src gnome org>]

commit 0bfa6b44b808d9f8f55199216c29c1aec96c7719
Author: Martin Pitt <martinpitt gnome org>
Date:   Thu Oct 25 12:59:46 2012 +0200

    test_iochannel.py: Fix data type of IOFlags
    
    ~GLib.IOFlags.NONBLOCK yields an int instead of a GLib.IOFlags, so ensure that
    the result is of type GLib.IOFlags again.

 tests/test_iochannel.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/test_iochannel.py b/tests/test_iochannel.py
index 868c6ba..85af822 100644
--- a/tests/test_iochannel.py
+++ b/tests/test_iochannel.py
@@ -174,7 +174,7 @@ second line
         self.assertEqual(ch.read(), b'\x01\x02')
 
         # now test blocking case, after closing the write end
-        ch.set_flags(ch.get_flags() & ~GLib.IOFlags.NONBLOCK)
+        ch.set_flags(GLib.IOFlags(ch.get_flags() & ~GLib.IOFlags.NONBLOCK))
         os.write(w, b'\x03\x04')
         os.close(w)
         self.assertEqual(ch.read(), b'\x03\x04')