You may have used a VCS (git or somesuch) to transfer icon files to the server. git says:
warning: CRLF will be replaced by LF in webroot/fonts/FontAwesome.otf.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.eot.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.ttf.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.woff.
The file will have its original line endings in your working directory.
warning: CRLF will be replaced by LF in webroot/fonts/fontawesome-webfont.woff2.
The file will have its original line endings in your working directory.
You probably have to fix your fonts.