dev-python/basemap: Revbump post dep change

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

diff --git a/dev-python/basemap/basemap-1.0.7-r2.ebuild b/dev-python/basemap/basemap-1.0.7-r3.ebuild
similarity index 100%
rename from dev-python/basemap/basemap-1.0.7-r2.ebuild
rename to dev-python/basemap/basemap-1.0.7-r3.ebuild