update SDL3 from 3.2.20 to 3.4.2

libs/SDL3/src/filesystem/psp/SDL_sysfilesystem.c

@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -49,22 +49,12 @@ char *SDL_SYS_GetBasePath(void)
 char *SDL_SYS_GetPrefPath(const char *org, const char *app)
 {
     char *result = NULL;
-    size_t len;
-    if (!app) {
-        SDL_InvalidParamError("app");
-        return NULL;
-    }
-
     const char *base = SDL_GetBasePath();
     if (!base) {
         return NULL;
     }
 
-    if (!org) {
-        org = "";
-    }
-
-    len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
+    const size_t len = SDL_strlen(base) + SDL_strlen(org) + SDL_strlen(app) + 4;
     result = (char *)SDL_malloc(len);
     if (result) {
         if (*org) {
@@ -72,7 +62,6 @@ char *SDL_SYS_GetPrefPath(const char *org, const char *app)
         } else {
             SDL_snprintf(result, len, "%s%s/", base, app);
         }
-
         mkdir(result, 0755);
     }