When trying to identify debug packages among other packages we
discovered that it's pkgname used in pkgdesc. Since pkgname can
sometimes be an array when building debug packages for a split package,
this could potentially include a pkgname that might not make sense
depending on the order of the array.
This patch simply uses pkgbase as it seems more correct.
Signed-off-by: Morten Linderud <morten@linderud.pw>
Signed-off-by: Allan McRae <allan@archlinux.org>