Update xmake.lua

packages/l/linux-headers/xmake.lua

@@ -19,7 +19,7 @@ package("linux-headers")
     on_load(function (package)
         if package:config("driver_modules") then
             package:add("deps", "flex", "bison", "bc", "pkg-config")
-            package:add("deps", "openssl", "elfutils", {host = true})
+            package:add("deps", "openssl", "elfutils", {private = true, host = true})
         else
             package:add("deps", "rsync")
         end