The unittests were now failing to build with GCC 14 (see:
<https://git.jami.net/savoirfairelinux/jami-daemon/-/issues/1144>).
* gnu/packages/patches/jami-unittests-fix-build.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/jami.scm (jami) [source]: Apply it.
Change-Id: I11eb97663bb28a4153b2459ea886658cf08b6129