git patches: correct handling of filenames with spaces Add a trailing TAB to the "--- filename" lines if there's a space in the file name. This allows patch(1) to work correctly. The same is done for diff --nodates. This was originally suggested by Andrei Vermel, but at the time I thought git was doing something different.

abort: Failed to parse .../t/.hg/hgrc
File contains no section headers.
file: .../t/.hg/hgrc, line: 1
'invalid\n'