lib: Reuse identical code in sdp_get_{add,}_access_protos()
lib: Reuse identical code in sdp_get_{add,}_access_protos()

sdp_get_access_protos() and sdp_get_add_access_protos() do almost
exactly the same thing, except for an additional statement for the
latter.

pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,mapfau/bluez,mapfau/bluez,mapfau/bluez,pkarasev3/bluez,pkarasev3/bluez,ComputeCycles/bluez,ComputeCycles/bluez,silent-snowman/bluez,silent-snowman/bluez,ComputeCycles/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,ComputeCycles/bluez,pkarasev3/bluez,silent-snowman/bluez,pkarasev3/bluez