[PATCH 1/2] [rdp compositor] remove a warning during compilation

[David FORT]

backend_init now returns an int not a pointer.
---
 src/compositor-rdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compositor-rdp.c b/src/compositor-rdp.c
index 86c5b2a..70d290b 100644
--- a/src/compositor-rdp.c
+++ b/src/compositor-rdp.c
@@ -1270,7 +1270,7 @@ backend_init(struct weston_compositor *compositor, int *argc, char *argv[],
 	if (!config.rdp_key && (!config.server_cert || !config.server_key)) {
 		weston_log("the RDP compositor requires keys and an optional certificate for RDP or TLS security ("
 				"--rdp4-key or --rdp-tls-cert/--rdp-tls-key)\n");
-		return NULL;
+		return -1;
 	}
 
 	b = rdp_backend_create(compositor, &config, argc, argv, wconfig);
-- 
1.9.1