Consistently check for __hpux__
Consistently check for __hpux__

mongodb/libbson,paulmelnikow/libbson,mapr/libbson,mapr/libbson,rcsanchez97/libbson,ajdavis/libbson,paulmelnikow/libbson,mongodb/libbson,mongodb/libbson,bjori/libbson,mapr/libbson,rcsanchez97/libbson,paulmelnikow/libbson,paulmelnikow/libbson,rcsanchez97/libbson,bjori/libbson,ajdavis/libbson,paulmelnikow/libbson,ajdavis/libbson,bjori/libbson