Support 48kHz in Noise Suppression

Doing the same for the 16-24kHz band than was done in the 8-16kHz.
Results look and sound as nice.

BUG=webrtc:3146
R=andrew@webrtc.org, bjornv@webrtc.org, kwiberg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/29139004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7865 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/ns/defines.h b/webrtc/modules/audio_processing/ns/defines.h
index 893f6c1..8271332 100644
--- a/webrtc/modules/audio_processing/ns/defines.h
+++ b/webrtc/modules/audio_processing/ns/defines.h
@@ -14,6 +14,7 @@
 #define BLOCKL_MAX          160 // max processing block length: 160
 #define ANAL_BLOCKL_MAX     256 // max analysis block length: 256
 #define HALF_ANAL_BLOCKL    129 // half max analysis block length + 1
+#define NUM_HIGH_BANDS_MAX  2   // max number of high bands: 2
 
 #define QUANTILE            (float)0.25