tests: Missing return statement

Change-Id: I4fae9f84a83af280846b07eaa139ff4a05784a2e

src/tests/hnb-test.c

@@ -326,7 +326,7 @@ static int hnb_test_nas_rx_auth_req(struct hnb_test *hnb, struct gsm48_hdr *gh,
 
 	if (len < sizeof(*ar)) {
 		printf("GSM48 Auth Req does not fit.\n");
-		return;
+		return -1;
 	}
 
 	printf(" :) Authentication Request :)\n");

src/tests/test_common.c

@@ -88,6 +88,7 @@ int test_common_init(void)
 
 	log_set_print_filename(osmo_stderr_target, 0);
 	log_set_use_color(osmo_stderr_target, 0);
+	return rc;
 }
 
 void test_common_cleanup(void)