Build fixes related to XUA_USB_EN

lib_xua/src/core/buffer/decouple/decouple.xc

@@ -1,7 +1,8 @@
 // Copyright (c) 2011-2018, XMOS Ltd, All rights reserved
+#include "xua.h"
+
 #if XUA_USB_EN
 #include <xs1.h>
-#include "xua.h"
 #include "xc_ptr.h"
 #include "interrupt.h"
 #include "xua_commands.h"

lib_xua/src/core/buffer/decouple/decouple_interrupt.c

@@ -1,5 +1,6 @@
 // Copyright (c) 2015-2018, XMOS Ltd, All rights reserved
-#ifndef NO_USB
+#include "xua.h"
+#if XUA_USB_EN
 #include "interrupt.h"
 
 register_interrupt_handler(handle_audio_request, 1, 200)

lib_xua/src/core/buffer/decouple/get_adc_counts.c

@@ -1,4 +1,5 @@
 // Copyright (c) 2011-2018, XMOS Ltd, All rights reserved
+#include "xua.h"
 #if XUA_USB_EN
 #include "xud.h"
 

lib_xua/src/core/buffer/ep/ep_buffer.xc

@@ -1,9 +1,9 @@
 // Copyright (c) 2011-2018, XMOS Ltd, All rights reserved
+#include "xua.h"
 #if XUA_USB_EN
 #include <xs1.h>
 #include <print.h>
 
-#include "xua.h"
 
 #ifdef MIDI
 #include "usb_midi.h"
@@ -24,7 +24,6 @@
 unsigned char g_hidData[1] = {0};
 #endif
 
-
 void GetADCCounts(unsigned samFreq, int &min, int &mid, int &max);
 #define BUFFER_SIZE_OUT       (1028 >> 2)
 #define BUFFER_SIZE_IN        (1028 >> 2)

lib_xua/src/core/endpoint0/vendorrequests.c

@@ -1,4 +1,5 @@
 // Copyright (c) 2016-2018, XMOS Ltd, All rights reserved
+#include "xua.h"
 #if XUA_USB_EN
 
 #include "xud.h"

lib_xua/src/core/endpoint0/vendorrequests.h

@@ -6,7 +6,7 @@
 #include "xua.h"
 #include "xud_device.h"
 
-/* Functions that handle vustomer vendor requests.
+/* Functions that handle customer vendor requests.
  *
  * THESE NEED IMPLEMENTING FOR A SPECIFIC DESIGN
  *