Fix verbose log flag

Per system/core/include/log/log.h, ALOGV is compiled out if LOG_NDEBUG
is 1.

Bug: chrome-os-partner:44402
Change-Id: Ib57c01a11f875376c951f21c4553ac5a33be110d
diff --git a/bcmdhd/wifi_hal/gscan.cpp b/bcmdhd/wifi_hal/gscan.cpp
index 9f5669a..31d35a1 100644
--- a/bcmdhd/wifi_hal/gscan.cpp
+++ b/bcmdhd/wifi_hal/gscan.cpp
@@ -19,7 +19,7 @@
 #include "sync.h"
 
 #define LOG_TAG  "WifiHAL"
-//#define LOG_NDEBUG 1         //uncomment to enable verbose logging
+//#define LOG_NDEBUG 0         //uncomment to enable verbose logging
 
 #include <utils/Log.h>