Added 'application/x-zip' mimetype for docx
diff --git a/application/config/mimes.php b/application/config/mimes.php
index ac1479c..0129c3c 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -123,7 +123,7 @@
 	'avi'	=>	array('video/x-msvideo', 'video/msvideo', 'video/avi', 'application/x-troff-msvideo'),
 	'movie'	=>	'video/x-sgi-movie',
 	'doc'	=>	array('application/msword', 'application/vnd.ms-office'),
-	'docx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip', 'application/msword'),
+	'docx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip', 'application/msword', 'application/x-zip'),
 	'dot'	=>	array('application/msword', 'application/vnd.ms-office'),
 	'dotx'	=>	array('application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/zip', 'application/msword'),
 	'xlsx'	=>	array('application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'application/zip', 'application/vnd.ms-excel', 'application/msword'),
@@ -176,4 +176,4 @@
 );
 
 /* End of file mimes.php */
-/* Location: ./application/config/mimes.php */
\ No newline at end of file
+/* Location: ./application/config/mimes.php */