media-libs/aubio: Revbump post dep change

Signed-off-by: Michał Górny <mgorny@gentoo.org>

diff --git a/media-libs/aubio/aubio-0.4.7.ebuild b/media-libs/aubio/aubio-0.4.7-r1.ebuild
similarity index 100%
rename from media-libs/aubio/aubio-0.4.7.ebuild
rename to media-libs/aubio/aubio-0.4.7-r1.ebuild