Squashed 'external/toxcore/c-toxcore/' changes from da438763d5b..671b1f92332

671b1f92332 fix: toxav rtp temp buffer allocation size was too large and cast from 32bit to 16bit, causing a overflow and making the allocated size too small
258148bd4e1 chore(ci): new minimum for all android versions is 21
d369c93c489 chore: Fix Emscripten build failing with no host specified
51b24d1c239 chore: Run CompCert on the stable branch of libsodium
cab1f7d522b chore: Update WineHQ's apt key hash
102a1fa9b82 chore: Fix -Werror=maybe-uninitialized in a test
cc9515da9c7 chore: Fix cpplint failing to install
3485b5feef3 chore: Disable -Wswitch-default and -Wunsafe-buffer-usage
719041e04b6 chore: Fix Circle CI failing on a missing clang lib
5344d7f84d0 fix: Memory leak in the bootstrap daemon
fa201681e18 cleanup: Remove useless if clause
7572888a218 chore: Fix GitHub actions deprecation warnings

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 671b1f92332a8314dccf76d5df93c0b6c1230636

other/bootstrap_daemon/src/config.c

@@ -200,6 +200,8 @@ bool get_general_config(const char *cfg_file_path, char **pid_file_path, char **
     *keys_file_path = (char *)malloc(keys_file_path_len);
     if (*keys_file_path == nullptr) {
         log_write(LOG_LEVEL_ERROR, "Allocation failure.\n");
+        free(*pid_file_path);
+        *pid_file_path = nullptr;
         return false;
     }
     memcpy(*keys_file_path, tmp_keys_file, keys_file_path_len);