am 556f09c4: am f74af26d: It seems that Windows actually does have a header for <stdbool.h>.

Merge commit '556f09c426084b62c34742ee0810fc97ae37abf7'

* commit '556f09c426084b62c34742ee0810fc97ae37abf7':
  It seems that Windows actually does have a header for <stdbool.h>.