Fix gtx experimental feature required

Specify to use experimental features to make compilation working.

arena/3D/Modele3D.h

@@ -18,6 +18,7 @@
 
 // Includes GLM
 #include <glm/glm.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 

arena/Camera.h

@@ -8,6 +8,7 @@
 
 // Includes GLM
 #include <glm/glm.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 

arena/Cube.h

@@ -27,6 +27,7 @@
 // Includes GLM
 
 #include <glm/glm.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 

arena/SceneOpenGL.h

@@ -20,6 +20,7 @@
 
 // Includes GLM
 #include <glm/glm.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/transform.hpp>
 #include <glm/gtc/type_ptr.hpp>
 #include <glm/gtx/rotate_vector.hpp>

arena/Surface3D.h

@@ -13,6 +13,7 @@
 
 // Includes GLM
 #include <glm/glm.hpp>
+#define GLM_ENABLE_EXPERIMENTAL
 #include <glm/gtx/transform.hpp>
 #include <glm/gtc/type_ptr.hpp>