Now that the handling of including sys/queue.h is better, there's no need to remove those lines from the source. Copy the location of those original sys/queue.h lines from upstream at the same line number, so as to avoid any conflicts in the future.

Now that siphash is being looked for in a portable way, don't assume <siphash.h> as this is most likely not going to be the case on non-BSD systems.

Saves us from doing a malloc/free call for every item on the list. ok op@

Siphash suggested by jrick as a better alternative to murmurhash for this use case. with small fixes from and ok op@

tested by thomas, naddy, and myself

This adds the capability to compile got-portable on FreeBSD.

This commit modifies the GoT main branch to be able to compile it under linux.

also add got_error_prefix_errno2 and got_error_prefix_errno3 which should hopefully all be merged into a single function with variadic args (but can't alloc mem)