Add use flag to control building of vmhgfs module.

(Portage version: 2.2.11-r1/cvs/Linux x86_64, signed Manifest commit with key 0BBEEA1FEA4843A4)
Version bump (bug #508568). Thanks Jeremiah

(Portage version: 2.2.11-r1/cvs/Linux x86_64, signed Manifest commit with key 0x762053D5)
Stable for ppc64, wrt bug #517936

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="ppc64", signed Manifest commit with key 7194459F)
Stable for ia64, wrt bug #517936

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="ia64", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #517936

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #519396

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #517298

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #480388

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #519014

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for sparc, wrt bug #518718

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="sparc", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #518364

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #511738

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #512308

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #512486

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #513740

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #514906

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #516888

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #517498

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #517606

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)
Stable for x86, wrt bug #518032

(Portage version: 2.2.8-r1/cvs/Linux x86_64, RepoMan options: --include-arches="x86", signed Manifest commit with key 7194459F)