[build] Make pkg.sh executable.
[build] Make pkg.sh executable.

acleasby/lnav,sureshsundriyal/lnav,tstack/lnav,sureshsundriyal/lnav,acleasby/lnav,sureshsundriyal/lnav,tstack/lnav,tstack/lnav,sureshsundriyal/lnav,acleasby/lnav,acleasby/lnav,acleasby/lnav,tstack/lnav