[balsa] Non-fast-forward update to branch 78-edit-with-gnome

[Peter Bloomfield <peterb src gnome org>]

The branch '78-edit-with-gnome' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  0aff2c4... sendmsg-window: Use g_file_new_tmp()

Commits added to the branch:

  a4c60f0... sendmsg-window: Use g_file_new_tmp()