unshelve: changed Corruptedstate error msg from ui.warn to error.Abort...
unshelve: changed Corruptedstate error msg from ui.warn to error.Abort
This changes the message type of Corruptedstate error in case of `hg unshelve --abort`
to error.Abort from warning message. This is done so as to avoid the return statement
after the warning.
Differential Revision:
https://phab.mercurial-scm.org/D6636