Converted bat hit and troll sounds to .ogg.

data/core/macros/sound-utils.cfg

@@ -137,7 +137,7 @@
     sword-1.ogg #enddef
 
 #define SOUND_LIST:BAT_HIT
-    bat-hit-1.wav,bat-hit-2.wav,bat-hit-3.wav,bat-hit-4.wav #enddef
+    bat-hit-1.ogg,bat-hit-2.ogg,bat-hit-3.ogg,bat-hit-4.ogg #enddef
 
 #define SOUND_LIST:DRAKE_HIT
     drake-hit-1.ogg,drake-hit-2.ogg,drake-hit-3.ogg #enddef
@@ -221,10 +221,10 @@
     skeleton-die-1.ogg,skeleton-die-2.ogg #enddef
 
 #define SOUND_LIST:TROLL_HIT
-    troll-hit-1.wav,troll-hit-2.wav,troll-hit-3.wav,troll-hit-4.wav #enddef
+    troll-hit-1.ogg,troll-hit-2.ogg,troll-hit-3.ogg,troll-hit-4.ogg #enddef
 
 #define SOUND_LIST:TROLL_DIE
-    troll-die-1.wav,troll-die-2.wav,troll-die-3.wav #enddef
+    troll-die-1.ogg,troll-die-2.ogg,troll-die-3.ogg #enddef
 
 #define SOUND_LIST:ZOMBIE_WEAK_HIT
     zombie-hit-4.ogg,zombie-hit-5.ogg,zombie-hit-6.ogg #enddef