am be71c814: am 20b3097d: am 754c178a: Add qsort_r() implementation to the C library.

Merge commit 'be71c8142d4225dd9af4742ec050f30fcbc2aa5e'

* commit 'be71c8142d4225dd9af4742ec050f30fcbc2aa5e':
  Add qsort_r() implementation to the C library.