tests: Task.open_pid_maps: Print to stdout

    $ ./src/tests/ulpatch_test -f Task.open_pid_maps

Signed-off-by: Rong Tao <[email protected]>

src/tests/utils/task.c

@@ -29,7 +29,7 @@ TEST(Task, open_pid_maps, 0)
 {
 	int fd;
 	fd = open_pid_maps(getpid());
-	fprint_pid_maps(stderr, fd);
+	fprint_pid_maps(stdout, fd);
 	close(fd);
 	return 0;
 }