Update hiscore.h

src/hiscore.h

@@ -7,6 +7,8 @@ extern SDL_Rect entern_back;	// enter name back ground
 extern SDL_Rect entern_trim;	// enter name trim
 extern SDL_Rect cursor;		// Name entry cursor
 
+int filewrite(void);
+int fileread(void);
 int insert_score(int);		// insert entry into high score list
 int Ren_restart(void);		// restart
 int Ren_gameover(void);		// game over
@@ -14,6 +16,9 @@ int Ren_name(void);		// render name entry
 int end_game(void);
 int Ren_cursor(void);		// render cursor
 
+extern FILE *fptr_r;                                           // pointer to read handle
+extern FILE *fptr_w;
+
 extern int score;
 extern char level_r;					// game level (remaining)
 extern char level_c;					// game level (current)