Ajout de la fonction free et de sa declaration

grid.c

@@ -104,3 +104,9 @@ void change_cell_grid(struct Grid* grid, int x, int y, enum CaseType new_valeur)
 {
 	grid->game_grid[coordonner_vers_indice(x, y, grid)] = new_valeur;
 }
+
+void free_grid(struct Grid* grid)
+{
+	free( grid->game_grid);
+	free (grid);
+}

grid.h

@@ -27,6 +27,9 @@ void Affichage_grid(struct Grid* grid);
 
 void change_cell_grid(struct Grid* grid, int x, int y, enum CaseType new_valeur);
 
+void free_grid(struct Grid* grid)
+
+
 
 
 #endif