devel/rvm: 1.14 -> 1.17

devel/rvm: 1.14 -> 1.17
  New in 1.17:
  * Add rvmutl/rdsinit man pages.
  * Make sure we can build with pthread support.
  * Fix several concurrent threading issues.
  New in 1.16:
  * More pkg config updates, allow building against uninstalled libs.
  * strict-aliasing fixes.
  New in 1.15:
  * Build and packaging updates.
  * Use pkg-config.
  * Build a separate version of libseg linked with librvmlwp.
  * Default now only builds the lwp threaded version of all libraries.

From Jukka Salmi via PR pkg/44637.