w1: fix for loop in w1_f29_remove_slave()

The for loop was looking for i <= 0 instead of i >= 0 so this function
never did anything. Also we started with i = NB_SYSFS_BIN_FILES instead
of "NB_SYSFS_BIN_FILES - 1" which is an off by one bug.

Reported-by: Bojan Prtvar <[e-mail]>
Signed-off-by: Dan Carpenter <[e-mail]>
Acked-by: Jean-Franois Dagenais <[e-mail]>
Cc: Evgeniy Polyakov <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/w1/slaves/w1_ds2408.c

···
 static void w1_f29_remove_slave(struct w1_slave *sl)
 {
 	int i;
-	for (i = NB_SYSFS_BIN_FILES; i <= 0; --i)
+	for (i = NB_SYSFS_BIN_FILES - 1; i >= 0; --i)
 		sysfs_remove_bin_file(&sl->dev.kobj,
 			&(w1_f29_sysfs_bin_files[i]));
 }