am 448a1b9f: am b299039d: am e6e2ba1d: Merge "libc: <pthread.h>: Replace \'#if __cplusplus\' by \'#ifdef __cplusplus\'"

* commit '448a1b9f1827cbebad69383ba3f09cc0be5b4986':
  libc: <pthread.h>: Replace '#if __cplusplus' by '#ifdef __cplusplus'