ynl: samples: Fix spelling mistake "failedq" -> "failed"

There is a spelling mistake in an error message. Fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

tools/net/ynl/samples/tc-filter-add.c

···
 
 	req = tc_deltfilter_req_alloc();
 	if (!req) {
-		fprintf(stderr, "tc_deltfilter_req_alloc failedq\n");
+		fprintf(stderr, "tc_deltfilter_req_alloc failed\n");
 		return -1;
 	}
 	memset(req, 0, sizeof(*req));