Allow the dash key to be bound without errors

diff --git a/Clique.lua b/Clique.lua
index d952afc..2cc8ce1 100755
--- a/Clique.lua
+++ b/Clique.lua
@@ -346,9 +346,14 @@ function addon:GetBindingAttributes(global)
                 -- This is a key binding, so we need a binding for it

                 local prefix, suffix = addon:GetBindingPrefixSuffix(entry)
+                local key = entry.key

-                set[#set + 1] = B_SET:format(entry.key, suffix)
-                clr[#clr + 1] = B_CLR:format(entry.key)
+                if key == "DASH" then
+                    key = "-"
+                end
+
+                set[#set + 1] = B_SET:format(key, suffix)
+                clr[#clr + 1] = B_CLR:format(key)
             end
         end
     end
diff --git a/Utils.lua b/Utils.lua
index 439821d..e1964be 100644
--- a/Utils.lua
+++ b/Utils.lua
@@ -178,6 +178,8 @@ function addon:GetCapturedKey(key)
         key = "BUTTON2"
     elseif key == "MiddleButton" then
         key = "BUTTON3"
+    elseif key == "-" then
+        key = "DASH"
     else
         local buttonNum = key:match("Button(%d+)")
         if buttonNum and tonumber(buttonNum) <= 31 then