Do not include linphone-sdk in source code tarball.

4 jobs for <span class="ref-name">fix/do-not-include-linphone-sdk-in-source-code-tarball</span> in 11 minutes and 50 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #8847
docker-debian9
job-debian9-ninja-clang

00:00:51

passed #8846
docker-debian9
job-debian9-ninja-gcc

00:00:42

passed #8848
macosx
job-macosx-ninja

00:04:49

passed #8849
windows
job-windows-vs2015

00:11:50