tests/test-revlog-ancestry.py.out

extdiff: escape filenames with vim/DirDiff and make quoting work with Windows

Use vim function fnameescape() on filenames.
Use double quotes for arguments so cmd.exe is happy.

Ancestors of 5
4 2 0 
Ancestors of 6 and 5
3 4 2 1 0 
Ancestors of 5 and 4
4 2 0 

Descendants of 5
7 8 
Descendants of 5 and 3
6 7 8 
Descendants of 5 and 4
5 7 8