load animation into correct `Dead` slot - fixes crash on killing petrified monsters -

fixes https://github.com/diasurgical/devilutionX/issues/2633

Source/dead.cpp

@@ -45,11 +45,11 @@ void InitDead()
 		mtypes[LevelMonsterTypes[i].mtype] = nd;
 	}
 
+	nd++; // Unused blood spatter
+
 	for (auto &dead : Dead[nd].data)
 		dead = MissileSpriteData[MFILE_SHATTER1].animData[0].get();
 
-	nd++; // Unused blood spatter
-
 	Dead[nd].frame = 12;
 	Dead[nd].width = 128;
 	Dead[nd].translationPaletteIndex = 0;