engine: fix alias check on missing capability range (fix #1370)
engine: fix alias check on missing capability range (fix #1370)

Reported: https://www.qlcplus.org/forum/viewtopic.php?f=29&t=15897

mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus