Merge branch 'es/rebase-i-count-todo' into maint

"git rebase -i" recently started to include the number of commits in the insn sheet to be processed, but on a platform that prepends leading whitespaces to "wc -l" output, the numbers are shown with extra whitespaces that aren't necessary. * es/rebase-i-count-todo: rebase-interactive: re-word "item count" comment rebase-interactive: suppress whitespace preceding item count