fix trivial warning

Author: fuqunaga

Assets/RoomProjection/Destroyed_city_FREE/Standard Assets/Water (Pro Only)/Sources/Scripts/Water.cs

@@ -90,13 +90,13 @@ public void OnWillRenderObject()
 
 			reflectionCamera.cullingMask = ~(1<<4) & m_ReflectLayers.value; // never render water layer
 			reflectionCamera.targetTexture = m_ReflectionTexture;
-			GL.SetRevertBackfacing (true);
+			GL.invertCulling = true;
 			reflectionCamera.transform.position = newpos;
 			Vector3 euler = cam.transform.eulerAngles;
 			reflectionCamera.transform.eulerAngles = new Vector3(-euler.x, euler.y, euler.z);
 			reflectionCamera.Render();
 			reflectionCamera.transform.position = oldpos;
-			GL.SetRevertBackfacing (false);
+			GL.invertCulling = false;
 			GetComponent<Renderer>().sharedMaterial.SetTexture( "_ReflectionTex", m_ReflectionTexture );
 		}
 
@@ -313,9 +313,6 @@ private WaterMode GetWaterMode()
 
 	private WaterMode FindHardwareWaterSupport()
 	{
-		if( !SystemInfo.supportsRenderTextures || !GetComponent<Renderer>() )
-			return WaterMode.Simple;
-			
 		Material mat = GetComponent<Renderer>().sharedMaterial;
 		if( !mat )
 			return WaterMode.Simple;