cleanup of requires

graphics/elements/controls/multi_button.lua

@@ -1,9 +1,9 @@
 -- Button Graphics Element
 
-local element = require("graphics.element")
-
 local util    = require("scada-common.util")
 
+local element = require("graphics.element")
+
 ---@class button_option
 ---@field text string
 ---@field fg_bg cpair

graphics/elements/controls/spinbox_numeric.lua

@@ -1,9 +1,9 @@
 -- Spinbox Numeric Graphics Element
 
-local element = require("graphics.element")
-
 local util    = require("scada-common.util")
 
+local element = require("graphics.element")
+
 ---@class spinbox_args
 ---@field default? number default value, defaults to 0.0
 ---@field min? number default 0, currently must be 0 or greater

graphics/elements/indicators/light.lua

@@ -1,8 +1,9 @@
 -- Indicator Light Graphics Element
 
+local util    = require("scada-common.util")
+
 local element = require("graphics.element")
 local flasher = require("graphics.flasher")
-local util    = require("scada-common.util")
 
 ---@class indicator_light_args
 ---@field label string indicator label

graphics/flasher.lua

@@ -2,7 +2,7 @@
 -- Indicator Light Flasher
 --
 
-local tcd  = require("scada-common.tcallbackdsp")
+local tcd = require("scada-common.tcallbackdsp")
 
 local flasher = {}