* vm_dump.c (rb_vm_bugreport): show vm maps on FreeBSD.

* vm_dump.c (procstat_vm): copied from FreeBSD.
  http://svnweb.freebsd.org/base/head/usr.bin/procstat/procstat_vm.c?revision=261780

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-03-11

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e