Lattice Change (#2100)

* Lattice Health Buff

A health buff for the Lattice/Catwalks to dissuade people from just breaking them every single time in RCA.

* Flag change

Requested change by Gboster, makes more sense than just increasing the health on the latices too.

code/game/objects/structures/lattice.dm

@@ -10,7 +10,7 @@
 	max_integrity = 50
 	layer = LATTICE_LAYER //under pipes
 	plane = FLOOR_PLANE
-	obj_flags = CAN_BE_HIT | BLOCK_Z_OUT_DOWN
+	obj_flags =  BLOCK_Z_OUT_DOWN | NODECONSTRUCT_1 | INDESTRUCTIBLE
 	smoothing_flags = SMOOTH_BITMASK
 	smoothing_groups = list(SMOOTH_GROUP_LATTICE)
 	canSmoothWith = list(SMOOTH_GROUP_LATTICE, SMOOTH_GROUP_OPEN_FLOOR, SMOOTH_GROUP_WALLS)