am 848a2bc4: Merge "MinGW/Cygwin requires open() in O_BINARY mode." into gingerbread

Merge commit '848a2bc4cc6eab0f1d0bc030616b9305df3aa7da' into gingerbread-plus-aosp

* commit '848a2bc4cc6eab0f1d0bc030616b9305df3aa7da':
  MinGW/Cygwin requires open() in O_BINARY mode.