Use a secure function to handle the menu

diff --git a/oUF_P3lim.lua b/oUF_P3lim.lua
index 2b36975..c7e1f3d 100644
--- a/oUF_P3lim.lua
+++ b/oUF_P3lim.lua
@@ -124,12 +124,9 @@ local function customFilter(icons, unit, icon, ...)
 end

 local function style(self, unit)
-	self.colors = colors
-	self.menu = menu
-
-	self:RegisterForClicks('AnyUp')
-	self:SetAttribute('type2', 'menu')
+	SecureUnitButton_OnLoad(self, unit, menu)

+	self.colors = colors
 	self:SetScript('OnEnter', UnitFrame_OnEnter)
 	self:SetScript('OnLeave', UnitFrame_OnLeave)