Open Web BoardのBLE実装でNotifucationのValue(onnotifyのgattEvent.value)が取れないのを修正

BluetoothGatt.cpp.patch

--- ./gecko/dom/bluetooth/bluedroid/BluetoothGatt.cpp.orig      2015-03-19 02:05:19.361468298 +0900
+++ ./gecko/dom/bluetooth/bluedroid/BluetoothGatt.cpp   2015-03-19 02:50:24.378295237 +0900
@@ -2922,7 +2922,9 @@
     data_conn_id.AppendInt(mNotifyConnCommPara.connId);
  
     nsString data_value;
-//    data_value.APpendInt(mNotifyParaData);
+    char strValue[MAX_HEX_VAL_STR_LEN];
+    array2str(mNotifyParaData.value, mNotifyParaData.len, strValue, sizeof(strValue));
+    data_value = NS_ConvertUTF8toUTF16(strValue);
  
     nsString data_bdAddr;
     BdAddressTypeToString(&mNotifyParaData.bda, data_bdAddr);