close descriptors

Signed-off-by: fbt <fbt@fleshless.org>

mod/load_average

@@ -5,6 +5,7 @@ class LoadAverage < Worker
 		while true do
 			file = File.open("/proc/loadavg", "r")
 			la_m = file.gets.split[0]
+			file.close
 
 			if la_m.to_i > @my_config['crit_value']
 				fg_colour = @my_config['crit_colour']

mod/network

@@ -21,6 +21,8 @@ class Network < Worker
 
 		net_ok = o.each_line.count
 
+		i.close; o.close
+
 		if net_ok == hosts.count
 			status = "ok"
 			fg_colour = @my_config['ok_colour']