dev-python/xmpppy: Revbump post dep changes

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

diff --git a/dev-python/xmpppy/xmpppy-0.5.0_rc1-r2.ebuild b/dev-python/xmpppy/xmpppy-0.5.0_rc1-r3.ebuild
similarity index 100%
rename from dev-python/xmpppy/xmpppy-0.5.0_rc1-r2.ebuild
rename to dev-python/xmpppy/xmpppy-0.5.0_rc1-r3.ebuild