improve libmpdclient (#405)

packages/l/libmpdclient/xmake.lua

@@ -5,6 +5,11 @@ package("libmpdclient")
     add_versions("2.19", "158aad4c2278ab08e76a3f2b0166c99b39fae00ee17231bd225c5a36e977a189")
     add_deps("meson", "ninja")
 
+    if is_plat("linux") and is_arch("x86_64") then
+        add_linkdirs("lib/x86_64-linux-gnu")
+        add_links("mpdclient")
+    end
+
     on_install("linux", function (package)
         local configs = {}
         table.insert(configs, "-Ddefault_library=" .. (package:config("shared") and "shared" or "static"))