fix link in tab title

Author: jirivrany

cesnet_service_path_plugin/templates/cesnet_service_path_plugin/segment_edit.html

@@ -1,9 +1,9 @@
 {% extends 'generic/object_edit.html' %}
 {% load i18n %}
 {% load static %}
-{% block title %}
+{% block head %}
+    {{ block.super }}
     <link rel="stylesheet"
           href="{% static 'cesnet_service_path_plugin/css/segment_form.css' %}">
     <script src="{% static 'cesnet_service_path_plugin/js/segment_form.js' %}"></script>
-    {{ block.super }}
-{% endblock title %}
+{% endblock head %}