SDL: Add missing library needed for locale functions on PS Vita

SDL Commits
1 
From 25367efcba2d055f0ef4da4473832556eddbcf31 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <[EMAIL REDACTED]>
Date: Sun, 8 May 2022 17:36:22 +0100
Subject: [PATCH] Add missing library needed for locale functions on PS Vita

---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34f308c5eab..1fea80fdcb4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2402,6 +2402,7 @@ elseif(VITA)
       SceDisplay_stub
       SceCtrl_stub
       SceAppMgr_stub
+      SceAppUtil_stub
       SceAudio_stub
       SceAudioIn_stub
       SceSysmodule_stub