util/pkgbuild: guard against unset variable

Allows use under 'set -u'.
This commit is contained in:
Andrew Gregory 2017-02-25 11:13:13 -05:00
parent 6b541404cc
commit 555c8ff976

View file

@ -18,7 +18,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[[ -n "$LIBMAKEPKG_UTIL_PKGBUILD_SH" ]] && return
[[ -n "${LIBMAKEPKG_UTIL_PKGBUILD_SH:-}" ]] && return
LIBMAKEPKG_UTIL_PKGBUILD_SH=1