Fix erroneus regex from previous commit
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 34f9bc0..96ff29d 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -96,7 +96,7 @@
*
* Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
*/
- if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[12])/', $_SERVER['HTTP_USER_AGENT']))
+ if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT']))
{
$x[count($x) - 1] = strtoupper($extension);
$filename = implode('.', $x);