This class was extending EXTRA_OECONF only in target builds with
--enable/--disable-installed-tests. However for native builds we don't care
about the test suite and should be explicitly disabling it.
This stops glib-2.0-native trying to build the test suite that we'll never
execute.
(From OE-Core rev: 926a8365b4f7233e5ab5a6b97e8ed53f417c0cfc)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>