Add mod_sndfile to debian freeswitch-meta-default

FS-5109 --resolve

debian/bootstrap.sh

@@ -256,6 +256,7 @@ Depends: \${misc:Depends}, freeswitch (= \${binary:Version}),
  freeswitch-mod-sofia (= \${binary:Version}),
  freeswitch-mod-local-stream (= \${binary:Version}),
  freeswitch-mod-native-file (= \${binary:Version}),
+ freeswitch-mod-sndfile (= \${binary:Version}),
  freeswitch-mod-tone-stream (= \${binary:Version}),
  freeswitch-mod-lua (= \${binary:Version}),
  freeswitch-mod-console (= \${binary:Version}),