Instead of having the south set of images for the wail animation being upside-down

and letting the engine flip them the image files themselves are now the same like shown ingame.

[skip ci]

data/core/macros/animation-utils.cfg

@@ -245,12 +245,13 @@
     [/if]
     [else]
         direction=s,se,sw
-        ### The price of asymmetrical projectiles - here, we use a conditional because the game automatically flips the images for the south frame.  We have a separate set of images for the south part, which are not only flipped vertically, but also have their angle corrected for the sw direction.
+        ### The price of asymmetrical projectiles - here, we use a conditional because the game automatically flips the images for the south frame.  We have a separate set of images for the south part, which have their angle corrected for the sw direction.
 
         missile_start_time=-300
         [missile_frame]
             image="projectiles/wailprojectile-s-[1~6].png:[70*2,160,40*3]"
             image_diagonal="projectiles/wailprojectile-se-[1~6].png:[70*2,160,40*3]"
+            auto_vflip=no
         [/missile_frame]
     [/else]
 #enddef