convert: fix test-convert-svn-* problems with mtime not changing...
convert: fix test-convert-svn-* problems with mtime not changing
The `svn commit` command does not detect changed files unless
their mtime has changed. A quick succession of, for instance,
`svn co ...; echo x >> y; svn ci` can thus lead to the change to y
being ignored.
Edited by pmezard to write in binary mode.
