harfbuzz: skip building newly-added libraries

Author: lovell

build/posix.sh

@@ -287,6 +287,7 @@ $CURL https://github.com/harfbuzz/harfbuzz/archive/${VERSION_HARFBUZZ}.tar.gz |
 cd ${DEPS}/harfbuzz
 meson setup _build --default-library=static --buildtype=release --strip --prefix=${TARGET} ${MESON} \
   -Dgobject=disabled -Dicu=disabled -Dtests=disabled -Dintrospection=disabled -Ddocs=disabled -Dbenchmark=disabled -Dutilities=disabled \
+  -Draster=disabled -Dvector=disabled -Dsubset=disabled \
   ${DARWIN:+-Dcoretext=enabled}
 meson install -C _build --tag devel