Fix class LoaderRaw: virtual destructor, init param

include/core/utils/loader.h

@@ -37,7 +37,7 @@ class LoaderRaw: public Loader{
     void* resource_;
 public:
     LoaderRaw(std::string _file);
-    ~LoaderRaw();
+    virtual ~LoaderRaw();
     void load() override;
     void close() override;
 };

src/utils/loader.cpp

@@ -28,7 +28,7 @@ Loader::Loader(std::string _file)
 {
     path_ = _file;
 }
-LoaderRaw::LoaderRaw(std::string _file) : Loader(_file)
+LoaderRaw::LoaderRaw(std::string _file) : Loader(_file), resource_(nullptr)
 {
     //
 }