readline: add 8.2 version (#4999)

packages/r/readline/xmake.lua

@@ -5,6 +5,8 @@ package("readline")
 
     add_urls("https://ftpmirror.gnu.org/readline/readline-$(version).tar.gz",
              "https://ftp.gnu.org/gnu/readline/readline-$(version).tar.gz")
+
+    add_versions("8.2", "3feb7171f16a84ee82ca18a36d7b9be109a52c04f492a053331d7d1095007c35")
     add_versions("8.1", "f8ceb4ee131e3232226a17f51b164afc46cd0b9e6cef344be87c65962cb82b02")
 
     add_deps("ncurses")
@@ -13,7 +15,7 @@ package("readline")
         local configs = {"--with-curses"}
         table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
         table.insert(configs, "--enable-static=" .. (package:config("shared") and "no" or "yes"))
-        if package:debug() then
+        if package:is_debug() then
             table.insert(configs, "--enable-debug")
         end
         if package:config("pic") ~= false then