Fixed touch not being delivered as mouse events by default on Vita

Closes https://github.com/libsdl-org/SDL/pull/13070

(cherry picked from commit 25f2376e791d6ca913945a349ea06b642bb69179)

src/events/SDL_mouse.c

@@ -138,21 +138,25 @@ static void SDLCALL SDL_TouchMouseEventsChanged(void *userdata, const char *name
 #ifdef SDL_PLATFORM_VITA
 static void SDLCALL SDL_VitaTouchMouseDeviceChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
 {
+    Uint8 vita_touch_mouse_device = 1;
+
     SDL_Mouse *mouse = (SDL_Mouse *)userdata;
     if (hint) {
         switch (*hint) {
-        default:
         case '0':
-            mouse->vita_touch_mouse_device = 1;
+            vita_touch_mouse_device = 1;
             break;
         case '1':
-            mouse->vita_touch_mouse_device = 2;
+            vita_touch_mouse_device = 2;
             break;
         case '2':
-            mouse->vita_touch_mouse_device = 3;
+            vita_touch_mouse_device = 3;
+            break;
+        default:
             break;
         }
     }
+    mouse->vita_touch_mouse_device = vita_touch_mouse_device;
 }
 #endif