bin/.gitignore: add vznetaddbr

Commit 41fb6973bc205c00e25ba73431110ac8e821d6c9 adds vznetaddbr
script (autogenerated from vznetaddbr.in), but forgets to add
vznetaddbr to .gitignore. Do it.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed