zdtm/live/static/socket-tcpbuf: fix error message

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Acked-by: Andrew Vagin <avagin@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/zdtm/live/static/socket-tcpbuf.c

@@ -36,7 +36,7 @@ static void read_safe(int fd, void *buf, size_t size)
 static void write_safe(int fd, void *buf, size_t size)
 {
 	if (write(fd, buf, size) != size) {
-		pr_perror("Unable to write from %d", fd);
+		pr_perror("Unable to write to %d", fd);
 		exit(1);
 	}
 }