Update ClientProxyMars.java

java.lang.IllegalArgumentException: The resource name could not be found
	at net.minecraftforge.client.model.AdvancedModelLoader.loadModel(AdvancedModelLoader.java:68)
	at micdoodle8.mods.galacticraft.mars.client.ClientProxyMars.registerRenderInformation(ClientProxyMars.java:116)
	at micdoodle8.mods.galacticraft.mars.GalacticraftMars.postLoad(GalacticraftMars.java:184)