As done elsewhere, d->namlen is not a portable field from readdir, therefore simualte this via the strlen of the directory name instead.

tested by thomas, naddy, and myself

suggested by millert ok thomas_adam

suggested by millert ok thomas_adam

sys/{tree,queue}.h are looked up via configure, and therefore are included via that mechanism.

Update portable to support changes for bloom, etc.

ok millert@

Potentially this function could return objects of a type that was not requested. Problem found by code inspection. This change does not affect any of our existing tests.

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.

Feature requested by naddy. ok naddy, who also suggested some tweaks that will arrive shortly

ok millert

The singly-linked tail queue macros were added to OpenBSD 6.9 and are more widely available on other systems. ok stsp

ok tracey