fixed strange hour sum

includes/pages/user_myshifts.php

@@ -95,7 +95,7 @@ function user_myshifts() {
           $shift_entries[] = $user_source['Nick'];
       }
       $html .= join(", ", $shift_entries);
-      $timesum += ($shift['end'] - $shift['start']) / (60*60);
+      $timesum += $shift['end'] - $shift['start'];
     }
 
     $html .= '</td>';
@@ -114,7 +114,7 @@ function user_myshifts() {
   return msg().template_render('../templates/user_myshifts.html', array (
     'intro' => sprintf(Get_Text('pub_myshifts_intro'), $LETZTES_AUSTRAGEN),
     'shifts' => $html,
-    'time_sum' => $timesum,
+    'time_sum' => round($timesum / (60*60), 1),
     'msg' => $msg,
     'ical_text' => sprintf(Get_Text('inc_schicht_ical_text'),
         page_link_to_absolute('ical') . '&key=' . $shifts_user['ical_key'],