Despite the comment in ConfigureChecks.cmake which claimed only ALSA 1.x
was supported, the code requested and expected the 0.9 version of some
PCM APIs.
These old APIs were superceded in 2002. ALSA implements backwards
compatibility with the old version of the API using symbol versioning,
which is not supported on all platforms (e.g., musl does not support
it).
This fixes issue #5
Signed-off-by: Bobby Bingham <koorogi@koorogi.info>