RFR: JDK-8062816 Configure fails to detect freetype on macosx Yosemite

[Tim Bell]

Hi Magnus:

> Beginning with macosx Yosemite, changes has been made to freetype 
> which causes the build to fail in configure, even though freetype is 
> present.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8062816
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8062816-fix-freetype-on-yosemite/webrev.01

Looks good to me.

Tim