To facilitate building freetype from source on Windows, search a well-defined location ($HOME/freetype) for freetype sources.
Patch contributed by Timo Kinnunen <timo.kinnu...@gmail.com>. I am sponsoring this patch. Bug: https://bugs.openjdk.java.net/browse/JDK-8145548 WebRev: http://cr.openjdk.java.net/~ihse/JDK-8145548-add-default-freetype-src-dir/webrev.01 /Magnus
