tree ef7497cf05c310a49a51db7a6027c78a2cc330a1
parent 28bd415b74cc02d0f9dec2f9d24cf67d22f0e114
author Han Seoul-Oh <laughinghan@gmail.com> 1486094136 -0800
committer Han Seoul-Oh <laughinghan@gmail.com> 1486094136 -0800

CI: Ensure concatenating screenshot pieces in right order

On some systems, `ls ...*...` lists them in random order; and if there
are ever >9 pieces, lexicographic sort will be wrong, must sort in
numeric order.