backup.pl: Use a sane timestamp format

I don't think it is nice to mix underscare and dash.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/config/backup/backup.pl b/config/backup/backup.pl
index 7b2f953040d523ff84dfb7bd8c5f1fd452876454..3b10b870763d3a8cb1b402944d6111041a485b1f 100644 (file)
--- a/config/backup/backup.pl
+++ b/config/backup/backup.pl
@@ -21,7 +21,7 @@
 
 shopt -s nullglob
 
-NOW="$(date "+%Y-%m-%d_%H-%M")"
+NOW="$(date "+%Y-%m-%d-%H%M")"
 
 list_addons() {
        local file