SDL: storage: Declare a private bootstrap for NDA user storage

SDL Commits
1 
From 5283f737487159a02ad2156eaeef6d6366a39b5a Mon Sep 17 00:00:00 2001
From: Ethan Lee <[EMAIL REDACTED]>
Date: Tue, 18 Mar 2025 22:12:21 -0400
Subject: [PATCH] storage: Declare a private bootstrap for NDA user storage

---
 src/storage/SDL_storage.c    | 3 +++
 src/storage/SDL_sysstorage.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/src/storage/SDL_storage.c b/src/storage/SDL_storage.c
index 75952ffd2328a..7c395b36a8e1e 100644
--- a/src/storage/SDL_storage.c
+++ b/src/storage/SDL_storage.c
@@ -34,6 +34,9 @@ static TitleStorageBootStrap *titlebootstrap[] = {
 static UserStorageBootStrap *userbootstrap[] = {
 #ifdef SDL_STORAGE_STEAM
     &STEAM_userbootstrap,
+#endif
+#ifdef SDL_STORAGE_PRIVATE
+    &PRIVATE_userbootstrap,
 #endif
     &GENERIC_userbootstrap,
     NULL
diff --git a/src/storage/SDL_sysstorage.h b/src/storage/SDL_sysstorage.h
index 57d60d64743c2..f047e551f991d 100644
--- a/src/storage/SDL_sysstorage.h
+++ b/src/storage/SDL_sysstorage.h
@@ -44,6 +44,7 @@ extern TitleStorageBootStrap GENERIC_titlebootstrap;
 // Steam does not have title storage APIs
 
 extern UserStorageBootStrap GENERIC_userbootstrap;
+extern UserStorageBootStrap PRIVATE_userbootstrap;
 extern UserStorageBootStrap STEAM_userbootstrap;
 
 extern SDL_Storage *GENERIC_OpenFileStorage(const char *path);