fix obsolete usage of AC_OUTPUT
fix obsolete usage of AC_OUTPUT

The current usage of AC_OUTPUT is to not pass it any arguments but to
list the files to generate with the AC_CONFIG_FILES macro instead.

Reviewed-by: Christopher Brannon <12dbcddb2a34235e759e3c56208f0d4ec028c34a@gmail.com>

razr/speechd,razr/speechd,razr/speechd,razr/speechd