detect sound systems before speech synthesizers
detect sound systems before speech synthesizers

Reorganize configure.ac so that sound systems (alsa, pulse, etc) are
detected before speech synthesizers.  This needed to be done because it
is possible for flite to be statically linked to alsa.

Signed-off-by: William Hubbs <54cd4f6a53c83578a2ea0a02eb065faed9769f8e@gmail.com>

razr/opentts,razr/opentts,razr/opentts,razr/opentts