[syslinux] [PATCH][git-pull] Fix mbox/semaphore checks, UNDI ID debug

[Gene Cumm]

The following changes since commit 6438fbcb6cb7e0cd40e4bb3681ada047fe77ffdd:
  Gene Cumm (1):
        Allow for UNDIIF_ID_DEBUG in 1 mk line

are available in the git repository at:

  git://github.com/geneC/syslinux.git elflink-undi-thread-for-mfleming

Gene Cumm (3):
      core/lwip/undi: Improve UNDIIF_ID_DEBUG messages
      core: mbox/semaphore NULL checks
      core: make mbox_post()/__sem_down_slow() check if valid

 core/include/mbox.h           |    5 +++--
 core/include/thread.h         |    5 +++--
 core/lwip/src/arch/sys_arch.c |    5 ++++-
 core/lwip/src/netif/undiif.c  |   17 +++++++++--------
 core/thread/mbox.c            |   22 ++++++++++++++--------
 core/thread/semaphore.c       |   28 +++++++++++++++++-----------
 6 files changed, 50 insertions(+), 32 deletions(-)