fs: for my sanity, begin tracking version where code was last checked for accuracy

libraries/libstratosphere/source/os/impl/os_thread_manager_impl.pthread.inc

@@ -155,6 +155,7 @@ namespace ams::os::impl {
         pthread_t pthread;
         const auto res = pthread_create(std::addressof(pthread), nullptr, &InvokeThread, thread);
         AMS_ASSERT(res == 0);
+        AMS_UNUSED(res);
 
         /* Set the thread's pthread handle information. */
         thread->pthread       = pthread;

libraries/libstratosphere/source/spl/spl_api.os.generic.cpp

@@ -127,6 +127,7 @@ namespace ams::spl {
         EnsureInitialized();
 
         AMS_ASSERT(key_source_size == sizeof(KeySource));
+        AMS_UNUSED(key_source_size);
 
         R_RETURN(impl::PrepareCommonEsTitleKey(out, *static_cast<const KeySource *>(key_source), generation));
     }