Add ts_privsec_copy()

tsfuncs.h

 int					ts_privsec_is_same		(struct ts_privsec *p1, struct ts_privsec *p2);
 void				ts_privsec_dump			(struct ts_privsec *privsec);
 
+void				ts_privsec_copy			(struct ts_privsec *src, struct ts_privsec *dst);
+
 // Time
 uint32_t		ts_time_encode_bcd	(int duration_sec);
 void			ts_time_decode_bcd	(int duration_bcd, int *duration_sec, int *hour, int *min, int *sec);

tsfuncs_privsec.c

 	}
 }
 
+void ts_privsec_copy(struct ts_privsec *src, struct ts_privsec *dst) {
+	if (!src || !dst)
+		return;
+	dst->ts_header = src->ts_header;
+	dst->initialized = src->initialized;
+	ts_section_data_copy(src->section_header, dst->section_header);
+}
+
 struct ts_privsec *ts_privsec_push_packet(struct ts_privsec *privsec, uint8_t *ts_packet) {
 	struct ts_header ts_header;
 	memset(&ts_header, 0, sizeof(struct ts_header));