tests/test-backwards-remove.out

Handle undeletion of files when checking out old revisions

Spotted by Marc Singer

+ hg init
+ echo This is file a1
+ hg add a
+ hg commit -t 'commit #0' -d '0 0' -u user
+ ls
a
+ echo This is file b1
+ hg add b
+ hg commit -t 'commit #1' -d '0 0' -u user
+ hg co 0
+ ls
a