Use nicer syntax for nested namespace definitions

src/client/shader.h

@@ -59,9 +59,9 @@ struct ShaderInfo {
 	Setter of constants for shaders
 */
 
-namespace irr { namespace video {
+namespace irr::video {
 	class IMaterialRendererServices;
-} }
+}
 
 
 class IShaderConstantSetter {

src/client/tile.h

@@ -32,7 +32,7 @@ class IGameDef;
 struct TileSpec;
 struct TileDef;
 
-namespace irr { namespace video { class IVideoDriver; } }
+namespace irr::video { class IVideoDriver; }
 
 typedef std::vector<video::SColor> Palette;
 

src/filesys.h

@@ -36,9 +36,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define PATH_DELIM ":"
 #endif
 
-namespace irr { namespace io {
+namespace irr::io {
 class IFileSystem;
-}}
+}
 
 namespace fs
 {

src/gamedef.h

@@ -35,10 +35,10 @@ class ModChannel;
 class ModStorage;
 class ModStorageDatabase;
 
-namespace irr { namespace scene {
+namespace irr::scene {
 	class IAnimatedMesh;
 	class ISceneManager;
-}}
+}
 
 struct SubgameSpec;
 struct ModSpec;