Fix a bug that prevented errors to go to stderr

diff --git a/mutest b/mutest
index ce26b475a982d70b5d52c3cbd17aa9778ee7ef34..2f002e297972624e6b9040a2cb6debd466838bc9 100755 (executable)
--- a/mutest
+++ b/mutest
@@ -49,7 +49,7 @@ def log(level, msg, *args):
        global verbose_level
        out = stdout
        if level == V_ERROR:
-               stderr
+               out = stderr
        if verbose_level >= level:
                out.write((msg % args) + '\n')