[binutils-gdb] Shuffle user_visible_resume_ptid

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT f3263aa47ec109871a124a1a2d5370e42a907690 ***

Author: Pedro Alves <palves@redhat.com>
Branch: master
Commit: f3263aa47ec109871a124a1a2d5370e42a907690

Shuffle user_visible_resume_ptid
... and move comment to declaration.

gdb/ChangeLog:
2015-03-24  Pedro Alves  <palves@redhat.com>

	* infrun.c (user_visible_resume_ptid): Rewrite going from
	most-locked to unlocked instead of the opposite.  Move comment ...
	* infrun.h (user_visible_resume_ptid): ... here.