Unset DISPLAY when wlr_xwayland fails

Avoids having applications connect to a leftover DISPLAY when Xwayland
fails to initialize.

(cherry picked from commit eb4fa183088d0361e2492780e303e2965c5ecae1)

1 files changed, 1 insertions, 0 deletions

diff --git a/sway/server.c b/sway/server.c
index c036396f..ff848450 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -202,6 +202,7 @@ bool server_start(struct sway_server *server) {
                                         config->xwayland == XWAYLAND_MODE_LAZY);
                 if (!server->xwayland.wlr_xwayland) {
                         sway_log(SWAY_ERROR, "Failed to start Xwayland");
+                        unsetenv("DISPLAY");
                 } else {
                         wl_signal_add(&server->xwayland.wlr_xwayland->events.new_surface,
                                 &server->xwayland_surface);