twbs/bootstrap — pull request #15234 by darkruell (2014-11-26 12:30:08+00:00)
Title: .navbar-brand > img [Fixed issue #15222]

I changed a line to resolve issue 15222
/less/navbar.less @line 177
display: block;
to
display: line-block;

https://github.com/twbs/bootstrap/issues/15222
it seems to be included to v3.3.2....