automake: list the the builddir include before the srcdir

Otherwise we'll pick up the stale (in-tree) generated source(s) over the
fresh (out-of-tree) ones.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>
1 file changed