In an error condition, the wrong variable was being used for an insert,
resulting in a read from uninitialized data. This could be triggered for
example by 'ftype jason=', and the error message should have included
jason but instead was just ''.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=38849Signed-off-by: Jason Edmeades <us@edmeades.me.uk>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>