[gtk+/gtk-3-18] gtkfilesystem: protect against null filesystem type

[Matthias Clasen <matthiasc src gnome org>]

commit c1b1e41ddbeb0a1e2f71648c3e0a2ac12cd9091d
Author: Carlos Soriano <csoriano gnome org>
Date:   Thu Oct 8 01:19:19 2015 +0200

    gtkfilesystem: protect against null filesystem type
    
    The filesystem:type attribute could be NULL, then g_strv_contains
    will crash if that happens.
    Just don't call it if the attribute is not set.

 gtk/gtkfilesystem.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilesystem.c b/gtk/gtkfilesystem.c
index 09601bd..a266194 100644
--- a/gtk/gtkfilesystem.c
+++ b/gtk/gtkfilesystem.c
@@ -947,7 +947,10 @@ _gtk_file_consider_as_remote (GFile *file)
       const gchar *type;
 
       type = g_file_info_get_attribute_string (info, "filesystem::type");
-      is_remote = g_strv_contains (remote_types, type);
+      if (type != NULL)
+        is_remote = g_strv_contains (remote_types, type);
+      else
+        is_remote = FALSE;
 
       g_object_unref (info);
     }