libzfs is an architecture-specific library, thus its pkgconfig files
should also be installed into the architecture-specific path for
pkgconfig files so that systems that support multilib or multiarch
installation will be able to work properly.
Signed-off-by: Neal Gompa <ngompa@datto.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>