tweak(sabre): update vobject to 3.5.3pl1

* fix some minor issues in MimeDir parser

Change-Id: I8bebaf1f1c3a5bde32c7aef84a24958abf082431
Reviewed-on: http://gerrit.tine20.com/customers/10759
Tested-by: Jenkins CI (http://ci.tine20.com/) <tine20-jenkins@metaways.de>
Reviewed-by: Philipp Schüle <p.schuele@metaways.de>

tine20/composer.json

@@ -23,6 +23,9 @@
     }, {
         "type": "git",
         "url": "https://github.com/tine20/syncroton.git"
+    }, {
+        "type": "git",
+        "url": "https://github.com/tine20/vobject.git"
     }, {
       "type": "git",
       "url": "https://github.com/paulmhh/PHPWord"
@@ -48,7 +51,7 @@
         "ezyang/htmlpurifier": "v4.6.0",
         "phpoffice/phpexcel": "1.8.*",
         "sabre/dav": "1.8.*",
-        "sabre/vobject": "3.5.3 as 2.1.0",
+        "sabre/vobject": "3.5.3pl1 as 2.1.0",
         "metaways/opendocument": "1.1",
         "phpoffice/phpword": "v0.14.0 as v0.13.0",
         "metaways/timezoneconvert": "1.*",