data-control: Remove unnecessary wl_display_flush()

This was only necessary in the initial version of the file where offer
handling was synchronous.

include/data-control.h

@@ -46,6 +46,6 @@ struct data_control {
 	size_t cb_len;
 };
 
-void data_control_init(struct data_control* self, struct wl_display* wl_display, struct nvnc* server, struct wl_seat* seat);
+void data_control_init(struct data_control* self, struct nvnc* server, struct wl_seat* seat);
 void data_control_destroy(struct data_control* self);
 void data_control_to_clipboard(struct data_control* self, const char* text, size_t len);

src/data-control.c

@@ -156,7 +156,6 @@ static void receive_data(void* data,
 	}
 
 	zwlr_data_control_offer_v1_receive(offer, self->mime_type, pipe_fd[1]);
-	wl_display_flush(self->wl_display);
 	close(pipe_fd[1]);
 
 	ctx->fd = pipe_fd[0];
@@ -401,9 +400,8 @@ static struct zwlr_data_control_source_v1* set_selection(struct data_control* se
 	return selection;
 }
 
-void data_control_init(struct data_control* self, struct wl_display* wl_display, struct nvnc* server, struct wl_seat* seat)
+void data_control_init(struct data_control* self, struct nvnc* server, struct wl_seat* seat)
 {
-	self->wl_display = wl_display;
 	self->server = server;
 	LIST_INIT(&self->receive_contexts);
 	LIST_INIT(&self->send_contexts);

src/main.c

@@ -1544,7 +1544,7 @@ static void client_init_data_control(struct wayvnc_client* self)
 		return;
 
 	self->data_control.manager = wayvnc->data_control_manager;
-	data_control_init(&self->data_control, wayvnc->display, wayvnc->nvnc,
+	data_control_init(&self->data_control, wayvnc->nvnc,
 			self->seat->wl_seat);
 }