Only export header files in include

packages/t/tmxparser/xmake.lua

@@ -20,7 +20,7 @@ package("tmxparser")
                 set_kind("$(kind)")
                 set_languages("cxx11")
                 add_packages("zlib", "tinyxml2")
-                add_headerfiles("include/**.h")
+                add_headerfiles("include/*.h")
                 add_includedirs("include", "include/base64")
                 add_files("src/**.cpp")
         ]])