Fix subject of database error log email sent during cron maintenance

cron/cleanup.php

@@ -251,9 +251,10 @@ function orphanSessionListCheck()
     $hResult = query_parameters($sQuery, SESSION_DAYS_TO_EXPIRE + 2);
 }
 
+// report the database error log entries to the mailing list
 function reportErrorLogEntries()
 {
-    error_log::mail_admins_error_log();
+    error_log::mail_admins_error_log($sEmailSubject);
     error_log::flush();
 }
 

include/error_log.php

@@ -60,9 +60,9 @@ class error_log
         else return false;
     }
     
-    function mail_admins_error_log()
+    function mail_admins_error_log($sSubject = "")
     {
-        $sSubject = "Appdb error log\r\n";
+        $sSubject .= "Database Error log\r\n";
         $sEmail = User::get_notify_email_address_list(null, null); /* get list admins */
 
         $sQuery = "SELECT * from error_log WHERE deleted='0' ORDER BY submitTime";