Some little bits

- Check is_block as well as is_barrel in some places
(is_block is a feature new to OBoE, I have no idea if it works yet)
- Print an "equip bolts" message when trying to fire a crossbow without them

osx/boe.combat.cpp

@@ -1449,6 +1449,9 @@ void load_missile() ////
 	else if ((arrow == 24) && (bow < 24)) {
 		add_string_to_buf("Fire: Equip some arrows.       ");
 	}
+	else if(crossbow == 24 && bolts < 24) {
+		add_string_to_buf("Fire: Equip some bolts.        ");
+	}
 	else if ((arrow < 24) && (bow < 24)) {
 		missile_inv_slot = bow;
 		ammo_inv_slot = arrow;

osx/boe.locutils.cpp

@@ -181,7 +181,7 @@ short sight_obscurity(short x,short y) {
 			store += 2;
 		if ((univ.town.is_fire_barr(x,y)) || (univ.town.is_force_barr(x,y)))
 			return 5;
-		if ((univ.town.is_crate(x,y)) || (univ.town.is_barrel(x,y)))
+		if(univ.town.is_crate(x,y) || univ.town.is_barrel(x,y) || univ.town.is_block(x,y))
 			store++;
 		
 	}

osx/boe.text.cpp

@@ -872,6 +872,8 @@ short do_look(location space)
 			add_string_to_buf("    Crate               ");
 		if (univ.town.is_barrel(space.x,space.y))
 			add_string_to_buf("    Barrel               ");
+		if(univ.town.is_block(space.x,space.y))
+			add_string_to_buf("    Stone Block               ");
 		if (univ.town.is_fire_barr(space.x,space.y))
 			add_string_to_buf("    Magic Barrier               ");
 		if (univ.town.is_force_barr(space.x,space.y))