write DSView tag at the csv file header

libsigrok4DSL/output/csv.c

@@ -156,7 +156,7 @@ static GString *gen_header(const struct sr_output *o)
 	/* Some metadata */
 	t = time(NULL);
 	g_string_append_printf(header, "; CSV, generated by %s on %s\n",
-			PACKAGE_STRING, o->time_string); //ctime(&t)
+			"DSView", o->time_string); //ctime(&t)
 
 	/* Columns / channels */
     if (ctx->type == SR_CHANNEL_LOGIC)