core, fix crash if image couldn't be loaded

diff --git a/pico/media.c b/pico/media.c
index 27f0c14..7c147b2 100644 (file)
--- a/pico/media.c
+++ b/pico/media.c
@@ -395,7 +395,7 @@ out:
   if (rom_file)
     pm_close(rom_file);
   if (rom_data)
-    free(rom_data);
+    PicoCartUnload();
   return media_type;
 }