alsactl: add missing call to clean card specific config files

The card specific configuration files created at runtime must
be removed before UCM fixed boot sequence in the standard
restore operation.

Fixes: alsa-project/alsa-lib#492
Signed-off-by: Jaroslav Kysela <[email protected]>

Author: perexg

alsactl/state.c

@@ -1790,6 +1790,12 @@ int load_state(const char *cfgdir, const char *file,
 			finalerr = lock_fd;
 			continue;
 		}
+		err = snd_card_clean_cfgdir(cfgdir, iter.card);
+		if (err < 0) {
+			initfailed(iter.card, "cfgdir", err);
+			finalerr = err;
+			continue;
+		}
 		/* error is ignored */
 		err = init_ucm(initflags | FLAG_UCM_FBOOT, iter.card);
 		/* return code 1 and 2 -> postpone initialization */