Add a note about the sorting of the downloaded files

The doxygen comment tells what columns are used in the sorting of the file.

diff --git a/download.c b/download.c
index 5cb0aea378398179a93c26ce6dc25b10c20ed364..2c4b85f6a4e9c2a8e3804e8d4af3ac8f1a807038 100644 (file)
--- a/download.c
+++ b/download.c
@@ -49,6 +49,9 @@ static int NDownloadSuffix=0;
 Sort the raw log file with the downloaded files.
 
 \param report_in The name of the file where to store the sorted entries.
+
+The file is sorted by columns 3, 1, 2 and 5 that are the columns of the user's ID, the
+date, the time and the URL.
 */
 static void download_sort(const char *report_in)
 {