Remove unnecessary exit calls after redirect() and util_show_error_page() calls

admin/adminScreenshots.php

@@ -21,10 +21,8 @@ $aClean['iVersionId'] = makeSafe($_REQUEST['iVersionId']);
 
 // deny access if not admin
 if(!$_SESSION['current']->hasPriv("admin"))
-{
     util_show_error_page("Insufficient privileges.");
-    exit;
-}
+
 /*
  * We issued a delete command.
  */ 
@@ -40,8 +38,6 @@ if($aClean['sCmd'])
     redirect($_SERVER['PHP_SELF'].
              "?iItemsPerPage=".$aClean['iItemsPerPage'].
              "&iPage=".$aClean['iPage']);
-    exit;
-
 }