[OpenAFS] new difficulties to build OpenAFS 1.8.0 stable on Solaris X86 11

[Karl Behler]

> But checking out origin/master (commit
> 09f31d4c21328bcdc1dccdedf7df53d77c22e3e3)
> instead of openafs-stable-1_8_x made it for my first Solaris build.
>
> I'll do a few more tests and builds in our various Solaris environments.
> If you are interested in the results, please let me know.
>
Just to let you know, all builds (sun4x_510/511, sunx86_510/11) with
developerstudio 12.6 went through straight.
But still need to test the outcome.

Karl