wayland: minor fix with this-> and formatting

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/wayland.cpp b/src/wayland.cpp
index c19b0dc..b4f4800 100644
--- a/src/wayland.cpp
+++ b/src/wayland.cpp
@@ -53,8 +53,9 @@ constexpr struct wl_registry_listener registry_listener = {
 }
 
 registry::registry(struct wl_display *d)
-   : wayland_proxy(wl_display_get_registry(d)) {
-   wl_registry_add_listener(this->proxy, &registry_listener, this);
+   : wayland_proxy(!d ? nullptr : wl_display_get_registry(d)) {
+   if (this->proxy)
+      wl_registry_add_listener(this->proxy, &registry_listener, this);
 }
 
 registry::~registry() {