TNT: Spacing / codestyle fixes

- Fix spacing errors around = and ..
- Indentation fixes
- Break up long lines

mods/tnt/init.lua

@@ -225,7 +225,9 @@ local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
 			local cid = data[vi]
 			local p = {x = pos.x + x, y = pos.y + y, z = pos.z + z}
 			if cid ~= c_air then
-				data[vi] = destroy(drops, p, cid, c_air, c_fire, on_blast_queue, ignore_protection, ignore_on_blast)
+				data[vi] = destroy(drops, p, cid, c_air, c_fire,
+					on_blast_queue, ignore_protection,
+					ignore_on_blast)
 			end
 
 		end