makepkg: tidy version package tests

The use if "! -z" to check if a string is not null is not good practice
so replace with the "-n" option. Also use the AND comparison within one
test rather than on two separate tests.

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

0 files changed, 0 insertions, 0 deletions