Snippets for flatpak 1.18.0 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/jahhkb4rhjws7mmxygq53c5mqs6kjhkq-flatpak-1.18.0.drv.

• ../common/flatpak-run.c:1026:7: warning: ignoring return value of 'realpath' declared with attribute 'warn_unused_result' [-Wunused-result]
   1026 |       realpath(source_path, path);
        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
  

• /nix/store/7gah6nwl6174qxcibiik0iw2fmadys83-glib-2.88.1-dev/include/glib-2.0/glib/gstrfuncs.h:170:38: warning: 'strlen' reading 1 or more bytes from a region of size 0 [-Wstringop-overread]
    170 |             const size_t __str_len = strlen (_G_STR_NONNULL (__str));         \
        |                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~