FS-6293: fix mod_skypopen srcdir build
FS-6370: --resolve build memcache lib on mod build
FS-6375 exclude sun from modem support in spandsp
FS-6375 ifdef for sun in this case
FS-6375 bump sofia so it rebuilds
FS-6369: --resolve  fix automake build of mod_managed
FS-6375 fix -lutil as its not needed
Remove dead mod_voipcodecs from debian excludes

Mike removed mod_voipcodecs from tree in commit
bcd9f49fbe7fb992c5e0fdac68e158731cc98420.

We'd long since replaced mod_voipcodecs with mod_spandsp.