ChangeLog, range.c: adjust indent and style

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_dump.c: important message first

* vm_dump.c (rb_vm_bugreport): show the most important message, Crash
  Report log information, first.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e