[ElmSharp] Fix elm_more_option_open_get to return bool correctly (#2054)

diff --git a/src/ElmSharp.Wearable/Interop/Interop.Eext.MoreOption.cs b/src/ElmSharp.Wearable/Interop/Interop.Eext.MoreOption.cs
index 8fa3bf4..93b093c 100644 (file)
--- a/src/ElmSharp.Wearable/Interop/Interop.Eext.MoreOption.cs
+++ b/src/ElmSharp.Wearable/Interop/Interop.Eext.MoreOption.cs
@@ -73,6 +73,7 @@ internal static partial class Interop
         internal static extern IntPtr eext_more_option_items_get(IntPtr obj);
 
         [DllImport(Libraries.Eext)]
+        [return: MarshalAs(UnmanagedType.U1)]
         internal static extern bool eext_more_option_opened_get(IntPtr obj);
 
         [DllImport(Libraries.Eext)]