Utility/Image: Add saver (allowing to save images)

Former-commit-id: df78d657256f8a6b7dad5ab11877aae7402608b3

src/Nazara/Utility/Formats/STBLoader.hpp

@@ -4,8 +4,8 @@
 
 #pragma once
 
-#ifndef NAZARA_LOADERS_STB_HPP
-#define NAZARA_LOADERS_STB_HPP
+#ifndef NAZARA_FORMATS_STBLOADER_HPP
+#define NAZARA_FORMATS_STBLOADER_HPP
 
 #include <Nazara/Prerequesites.hpp>
 
@@ -13,9 +13,9 @@ namespace Nz
 {
 	namespace Loaders
 	{
-		void RegisterSTB();
-		void UnregisterSTB();
+		void RegisterSTBLoader();
+		void UnregisterSTBLoader();
 	}
 }
 
-#endif // NAZARA_LOADERS_STB_HPP
+#endif // NAZARA_FORMATS_STBLOADER_HPP