Renamed SDL_SANDBOX_UNKNOWN to SDL_SANDBOX_UNKNOWN_CONTAINER

include/SDL3/SDL_system.h

@@ -580,7 +580,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_IsTV(void);
 typedef enum SDL_Sandbox
 {
     SDL_SANDBOX_NONE = 0,
-    SDL_SANDBOX_UNKNOWN,
+    SDL_SANDBOX_UNKNOWN_CONTAINER,
     SDL_SANDBOX_FLATPAK,
     SDL_SANDBOX_SNAP,
     SDL_SANDBOX_MACOS

src/SDL.c

@@ -767,7 +767,7 @@ static SDL_Sandbox SDL_DetectSandbox(void)
     }
 
     if (access("/run/host/container-manager", F_OK) == 0) {
-        return SDL_SANDBOX_UNKNOWN;
+        return SDL_SANDBOX_UNKNOWN_CONTAINER;
     }
 
 #elif defined(SDL_PLATFORM_MACOS)