fix: Crash when restarting ImHex more than once

lib/libimhex/include/hex/api/imhex_api.hpp

@@ -19,6 +19,8 @@ struct GLFWwindow;
 
 namespace hex {
 
+    class AutoResetBase;
+
     namespace prv {
         class Provider;
     }
@@ -407,6 +409,9 @@ namespace hex {
 
                 bool isWindowResizable();
 
+                void addAutoResetObject(AutoResetBase *object);
+                void cleanup();
+
             }
 
             /**