FS-6293: fix mod_codec2 srcdir build
fix clang warning about control reaches end of non-void function
FS-6293: fix srcdir build for mod_event_zmq
FS-6293: fix srcdir build for mod_opus
Edit out gcc-ism from soundtouch lib

This allows building mod_soundtouch in clang as clang doesn't support
gcc's -fcheck-new.
FS-6293: fix mod_xml_rpc srcdir build
lets just consistently use api for version
Build openldap with -j1

Things seem to go wrong when building mod_ldap with make -j.
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.
attempt at fixing mod_gsmopen build
fix source file
fix source file
some potential fixes for srcdir, need someone with deps to tell me what doesn't actually work here now