Fix SV-2179: Wireframe - Rendering. Works only when Adv.light.model is disabled.

(Don't toggle ALM while in wireframe, bad things will happen...
or do, who am I to tell you how to live your life?
It'll look pretty cool actually, to fix that noise just toggle Wireframe once or twice.)

indra/newview/llviewermenu.cpp

@@ -1689,6 +1689,8 @@ class LLAdvancedToggleWireframe : public view_listener_t
 // [/RLVa:KB]
 //		gUseWireframe = !(gUseWireframe);
 //		gWindowResized = TRUE; // Singu Note: We don't use this (yet?)
+
+		LLPipeline::updateRenderDeferred();
 		gPipeline.resetVertexBuffers();
 //		return true;
 	}