redmine-backporter.rb: Remove an unneeded space

from #backport_command_string

I don't want to leave unneeded spaces in the command history by
copy-pasting the entire line.
This commit is contained in:
Takashi Kokubun 2024-05-28 17:00:12 -07:00
parent 2eded6cc5d
commit d0cde43a33