Jonas Ådahl 807658e972 wayland: Don't free non-transferred string when cleaning up
When cleaning up the display name string management, the display name
string retrieved from libwayland-server was also passed to free() on
clean up. This is invalid as the display name string ownership is not
transferred to us. Fix this by strdup:ing the string before saving it.

https://bugzilla.gnome.org/show_bug.cgi?id=730551
2017-09-04 12:32:53 +08:00
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