Add support for the ncurses ESCDELAY though the cio_api struct.

src/conio/ciolib.c

@@ -202,6 +202,9 @@ int try_curses_init(int mode)
 		cio_api.hidemouse=curs_hidemouse;
 		cio_api.suspend=curs_suspend;
 		cio_api.resume=curs_resume;
+#ifdef NCURSES_VERSION_MAJOR
+		cio_api.ESCDELAY=&ESCDELAY;
+#endif
 		return(1);
 	}
 	return(0);

src/conio/ciolib.h

@@ -244,6 +244,7 @@ typedef struct {
 	int		(*setfont)		(int font, int force);
 	int		(*getfont)		(void);
 	int		(*loadfont)		(char *filename);
+	int		*ESCDELAY;
 } cioapi_t;
 
 CIOLIBEXPORTVAR cioapi_t cio_api;