More robust check for $CFG->backup_version

diff --git a/files/index.php b/files/index.php
index 31cecb1debfbc049de53552c99f7dcf046f6c2fd..cc1da5cd4b69ff72f6230922ce9c851f072c87a5 100644 (file)
--- a/files/index.php
+++ b/files/index.php
@@ -736,7 +736,7 @@ function displaydir ($wdir) {
             } else if ($icon == "zip.gif") {
                 $edittext = "<A HREF=\"index.php?id=$id&wdir=$wdir&file=$fileurl&action=unzip\">$strunzip</A>&nbsp;";
                 $edittext .= "<A HREF=\"index.php?id=$id&wdir=$wdir&file=$fileurl&action=listzip\">$strlist</A> ";
-                if ($CFG->backup_version && isadmin()) {
+                if (!empty($CFG->backup_version) && isadmin()) {
                     $edittext .= "<A HREF=\"index.php?id=$id&wdir=$wdir&file=$filesafe&action=restore\">$strrestore</A> ";
                 }
             } else {