Fix compile error int Unity 5.3/5.4

Author: lawwong

Assets/HTC.UnityPlugin/VRModule/VRModuleManager.cs

@@ -228,7 +228,11 @@ private void OnCameraPreCull(Camera cam)
             var thisFrame = Time.frameCount;
             if (m_poseUpdatedFrame == thisFrame) { return; }
 
+#if UNITY_5_5_OR_NEWER
             if (cam.cameraType != CameraType.Game && cam.cameraType != CameraType.VR) { return; }
+#else
+            if (cam.cameraType != CameraType.Game) { return; }
+#endif
 
             m_poseUpdatedFrame = thisFrame;
             UpdateActiveModuleDeviceState();

Assets/HTC.UnityPlugin/ViveInputUtility/Scripts/VIUVersion.cs

@@ -6,6 +6,6 @@ namespace HTC.UnityPlugin.Vive
 {
     public static class VIUVersion
     {
-        public static readonly Version current = new Version("1.8.0.9");
+        public static readonly Version current = new Version("1.8.0.10");
     }
 }