Merge pull request #1113 from jkbenaim/fix-spawncube-crash

Doom: don't divide by zero, but call I_Error instead.

src/doom/p_enemy.c

@@ -1909,6 +1909,10 @@ void A_BrainSpit (mobj_t*	mo)
 		
     // shoot a cube at current target
     targ = braintargets[braintargeton];
+    if (numbraintargets == 0)
+    {
+        I_Error("A_BrainSpit: numbraintargets was 0 (vanilla crashes here)");
+    }
     braintargeton = (braintargeton+1)%numbraintargets;
 
     // spawn brain missile