radio-bcm2048.c: fix wrong overflow check
radio-bcm2048.c: fix wrong overflow check

This patch fixes an off by one check in bcm2048_set_region().

Reported-by: Dan Carpenter <ff341aa343d564f9e53e9dcb6996be8c04859a66@oracle.com>
Signed-off-by: Pali Rohár <271b10744f2b592adf8fde144d536c86b011b93c@gmail.com>
Signed-off-by: Pavel Machek <2375fa63e2908bb2df59f606483a3aa92321db7a@ucw.cz>
Signed-off-by: Dan Carpenter <ff341aa343d564f9e53e9dcb6996be8c04859a66@oracle.com>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs