am 1f487419: Merge "Upgrade to mksh 50c."

* commit '1f487419252b1b501e57d8944e854b1c349f92f7':
  Upgrade to mksh 50c.
tree: 21d7f992889691f160c0607665a07a3c3eecee9a
  1. src/
  2. Android.mk
  3. Makefrag.inc
  4. mkmf.sh
  5. mkshrc
  6. MODULE_LICENSE_BSD_LIKE
  7. NOTICE