[PATCH] alsa-mixer: Fix element channel masks array size.

[tanu.kaskinen@xxxxxxxxx (Tanu Kaskinen)]

Valid channel id range is from 0 to SND_MIXER_SCHN_LAST,
inclusive, so the array size has to be
SND_MIXER_SCHN_LAST + 1.
---
 src/modules/alsa/alsa-mixer.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/modules/alsa/alsa-mixer.h b/src/modules/alsa/alsa-mixer.h
index cc2dfc3..ee7221c 100644
--- a/src/modules/alsa/alsa-mixer.h
+++ b/src/modules/alsa/alsa-mixer.h
@@ -145,7 +145,7 @@ struct pa_alsa_element {
     long volume_limit; /* -1 for no configured limit */
     double min_dB, max_dB;
 
-    pa_channel_position_mask_t masks[SND_MIXER_SCHN_LAST][2];
+    pa_channel_position_mask_t masks[SND_MIXER_SCHN_LAST + 1][2];
     unsigned n_channels;
 
     pa_channel_position_mask_t merged_mask;
-- 
1.7.8