titlemap - skipintro bugfix

game crash with -skipintro enabled, hopefully fixes it and causes no issues anywhere else

src/r_sky.c

@@ -64,10 +64,6 @@ void R_SetupSkyDraw(void)
 	// the horizon line in a 256x128 sky texture
 	skytexturemid = (textures[skytexture]->height/2)<<FRACBITS;
 
-	// get the right drawer, it was set by screen.c, depending on the
-	// current video mode bytes per pixel (quick fix)
-	wallcolfunc = walldrawerfunc;
-
 	R_SetSkyScale();
 }
 

src/screen.c

@@ -170,6 +170,9 @@ void SCR_SetMode(void)
 	if (SCR_IsAspectCorrect(vid.width, vid.height))
 		CONS_Alert(CONS_WARNING, M_GetText("Resolution is not aspect-correct!\nUse a multiple of %dx%d\n"), BASEVIDWIDTH, BASEVIDHEIGHT);
 #endif*/
+
+	wallcolfunc = walldrawerfunc;
+
 	// set the apprpriate drawer for the sky (tall or INT16)
 	setmodeneeded = 0;
 }