Mark a bunch of classes as final

irr/src/CFileSystem.h

@@ -17,7 +17,7 @@ class CZipReader;
 /*!
 	FileSystem which uses normal files and one zipfile
 */
-class CFileSystem : public IFileSystem
+class CFileSystem final : public IFileSystem
 {
 public:
 	//! constructor

irr/src/CImage.h

@@ -21,7 +21,7 @@ inline bool checkImageDimensions(u32 width, u32 height)
 
 //! IImage implementation with a lot of special image operations for
 //! 16 bit A1R5G5B5/32 Bit A8R8G8B8 images, which are used by the SoftwareDevice.
-class CImage : public IImage
+class CImage final : public IImage
 {
 public:
 	//! constructor from raw image data

irr/src/CLimitReadFile.h

@@ -20,7 +20,7 @@ namespace io
 	This can be useful, for example for reading uncompressed files
 	in an archive (zip, tar).
 !*/
-class CLimitReadFile : public IReadFile
+class CLimitReadFile final : public IReadFile
 {
 public:
 	CLimitReadFile(IReadFile *alreadyOpenedFile, long pos, long areaSize, const io::path &name);

irr/src/CMemoryFile.h

@@ -17,7 +17,7 @@ namespace io
 /*!
 	Class for reading from memory.
 */
-class CMemoryReadFile : public IMemoryReadFile
+class CMemoryReadFile final : public IMemoryReadFile
 {
 public:
 	//! Constructor

irr/src/CReadFile.h

@@ -17,7 +17,7 @@ namespace io
 /*!
 	Class for reading a real file from disk.
 */
-class CReadFile : public IReadFile
+class CReadFile final : public IReadFile
 {
 public:
 	CReadFile(const io::path &fileName);

irr/src/CSceneManager.h

@@ -25,7 +25,7 @@ class IMeshCache;
 /*!
 	The Scene Manager manages scene nodes, mesh resources, cameras and all the other stuff.
 */
-class CSceneManager : public ISceneManager, public ISceneNode
+class CSceneManager final : public ISceneManager, public ISceneNode
 {
 public:
 	//! constructor