sasl: use sasl_split() for DATA parsing
sasl: use sasl_split() for DATA parsing

Use the sasl_split() helper to parse DATA commands. This unifies all
the parsers and saves quite a lot of lines.

Signed-off-by: David Herrmann <fb53b2ddb8d141e0cb39d7c67c2f81b6bc2eb0f7@gmail.com>

bus1/dbus-broker