Serializable object must implement 'readResolve'

Signed-off-by: Hui-Hong You <hiroshi@ghostsinthelab.org>

Author: hiroshiyui

app/src/main/java/com/miyabi_hiroshi/app/libchewing_android_app_module/Chewing.kt

@@ -35,6 +35,7 @@ class Chewing {
     }
 
     object ChewingInitException : Throwable() {
+        private fun readResolve(): Any = ChewingInitException
         override val message: String = "Unable to initialize Chewing"
     }