Fixed the lua sample bar-descriptor.

The error was caused by logo_powered_white.png being copied twice because the visual studio post built event was copying it to lua/res/

samples/lua/bar-descriptor.xml

@@ -45,7 +45,13 @@
     <asset path="game.config">game.config</asset>
    	<asset path="../../gameplay/res/logo_powered_white.png">res/logo_powered_white.png</asset>
     <asset path="../../gameplay/res/shaders">res/shaders</asset>
-    <asset path="res">res</asset>
+    <asset path="res/ai.lua">res/ai.lua</asset>
+    <asset path="res/game.lua">res/game.lua</asset>
+    <asset path="res/arial.gpb">res/arial.gpb</asset>
+    <asset path="res/lua.gpb">res/lua.gpb</asset>
+    <asset path="res/lua.material">res/lua.material</asset>
+    <asset path="res/lua.scene">res/lua.scene</asset>
+    <asset path="res/lua-logo.png">res/lua-logo.png</asset>
 
     <configuration name="Device-Debug">
        <platformArchitecture>armle-v7</platformArchitecture>