Fixed Show/Hide password button in ACP Login doesn't look like the other icons

[TickTackk]

Affected version

2.1.0

^ Title

 

[Mike]

I think this may have been a Font Awesome bug, potentially with its hinting. In the current 2.1.1 code, I can't see it though I can in 2.1.0. We updated FA just after the release.