mingw and darwin builds need to change the value of printf from no
to yes. Whilst you can do this from a bbappend, its currently a bit ugly
and assumes knowledge of the other conf arguments. Fixing this in the glib
recipe directly is cleaner in this case.
(From OE-Core rev: ba37c147e82e6466030cf40a9e86442ac7592185)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>