More fixes to emscripten

Author: kunitoki

cmake/yup_standalone.cmake

@@ -185,10 +185,10 @@ function (yup_standalone_app)
             #-sASYNCIFY=1
             -sEXPORTED_RUNTIME_METHODS=ccall,cwrap
             -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='$dynCall'
-            --shell-file "${YUP_ARG_CUSTOM_SHELL}")
+            --shell-file=${YUP_ARG_CUSTOM_SHELL})
 
-        foreach (preload_file IN LISTS YUP_ARG_PRELOAD_FILES)
-            list (APPEND additional_link_options --preload-file "${preload_file}")
+        foreach (preload_file IN ITEMS ${YUP_ARG_PRELOAD_FILES})
+            list (APPEND additional_link_options "--preload-file=${preload_file}")
         endforeach()
 
         set (target_copy_dest "$<TARGET_FILE_DIR:${target_name}>")