fix: used string equality

Author: janiussyafiq

lib/resty/radixtree.lua

@@ -205,7 +205,7 @@ local mt = { __index = _M, __gc = gc_free }
 
 local function sort_route(route_a, route_b)
     if route_a.priority == route_b.priority then
-        if #route_a.path_org == #route_b.path_org then
+        if route_a.path_org == route_b.path_org then
             return (route_a.vars_len or 0) > (route_b.vars_len or 0)
         end
         return #route_a.path_org > #route_b.path_org