compat.h: HPUX does not have MSG_WAITALL flag
compat.h: HPUX does not have MSG_WAITALL flag

So I implemented a solution found at the source
of all knowledge, StackOverflow.

And yes, I am compiling a MongoDB client on HPUX.

Signed-off-by: Viktor Tusa <544bb2381d1374000e7b2e6d7e4ea32943e21c0a@balabit.hu>

algernon/libmongo-client,algernon/libmongo-client,algernon/libmongo-client