(libjpeg-turbo) fix runtime checking (#7114)

packages/l/libjpeg-turbo/xmake.lua

@@ -53,7 +53,7 @@ package("libjpeg-turbo")
             table.insert(configs, "-DENABLE_SHARED=OFF")
             table.insert(configs, "-DENABLE_STATIC=ON")
         end
-        if package:is_plat("windows") and package:config("vs_runtime"):startswith("MD") then
+        if package:is_plat("windows") and package:has_runtime("MD") then
             table.insert(configs, "-DWITH_CRT_DLL=ON")
         end
         if package:is_plat("mingw") then