Just as in Descent 2, let flares die in lava

CHANGELOG.txt

@@ -3,6 +3,7 @@ D1X-Rebirth Changelog
 20111125
 --------
 3d/interp.c: Fixed forgotten MALLOC in g3_draw_morphing_model crashing game when rendering morphing robot (created from matcen for example)
+main/collide.c: Just as in Descent 2, let flares die in lava
 
 20111124
 --------

main/collide.c

@@ -513,6 +513,7 @@ void collide_weapon_and_wall( object * weapon, fix hitspeed, short hitseg, short
 			wi->strength[Difficulty_level]/2+VOLATILE_WALL_DAMAGE_FORCE,
 			weapon->ctype.laser_info.parent_num );
 
+		weapon->flags |= OF_SHOULD_BE_DEAD;		//make flares die in lava
 	}
 	else {