net-print/foomatic-db-engine: use pkg-config to locate libxml2 libs

Apply the pkgconfig patch (already submitted to upstream gentoo) to the
4.0.11 ebuild, to fix cross-compile issues.

BUG=chrome-os-partner:47758,chrome-os-partner:49267
TEST=emerge-${BOARD} foomatic-db-engine

Change-Id: I0cf917c2a95d56d6536ac9670c9d42d300dd343b
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/322451
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed