add lua.hpp include

packages/l/luajit/port/xmake.lua

@@ -181,6 +181,7 @@ target("luajit")
     add_defines("_FILE_OFFSET_BITS=64", "LARGEFILE_SOURCE", {public = true})
     add_undefines("_FORTIFY_SOURCE", {public = true})
     add_headerfiles("src/*.h", {prefixdir = "luajit"})
+    add_headerfiles("src/lua.hpp", {prefixdir = "luajit"})
     add_files("src/ljamalg.c")
     add_files("src/lib_base.c",
               "src/lib_math.c",