Fix random semicolon breaking loop in LLTexLayer

indra/llappearance/lltexlayer.cpp

@@ -482,7 +482,7 @@ void LLTexLayerSet::asLLSD(LLSD& sd) const
 	LLSD layer_list_sd;
 	layer_list_t::const_iterator layer_iter = mLayerList.begin();
 	layer_list_t::const_iterator layer_end  = mLayerList.end();
-	for(; layer_iter != layer_end; ++layer_iter);
+	for(; layer_iter != layer_end; ++layer_iter)
 	{
 		LLSD layer_sd;
 		//LLTexLayerInterface* layer = (*layer_iter);