alsactl: Fix double decrease of lock timeout

The state_lock() has a loop to wait for the lock file creation, and
the timeout value gets decremented twice mistakenly, which leads to a
half timeout (5 seconds) than expected 10 seconds.  Fix it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

alsactl/lock.c

@@ -63,7 +63,6 @@ static int state_lock_(const char *file, int lock, int timeout, int _fd)
 			if (fd < 0) {
 				if (errno == EBUSY || errno == EAGAIN) {
 					sleep(1);
-					timeout--;
 				} else {
 					err = -errno;
 					goto out;