[sushi] file-loader: avoid deprecation warnings

[Cosimo Cecchi <cosimoc src gnome org>]

commit 25485454e21658e33822e14c99fb5914abefab73
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sat Nov 14 11:37:22 2015 -0800

    file-loader: avoid deprecation warnings

 src/libsushi/sushi-file-loader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/libsushi/sushi-file-loader.c b/src/libsushi/sushi-file-loader.c
index 979b449..f4b5f6e 100644
--- a/src/libsushi/sushi-file-loader.c
+++ b/src/libsushi/sushi-file-loader.c
@@ -590,7 +590,7 @@ sushi_file_loader_get_icon (SushiFileLoader *self)
     return NULL;
 
   retval = gtk_icon_info_load_icon (info, &error);
-  gtk_icon_info_free (info);
+  g_object_unref (info);
 
   if (error != NULL) {
     gchar *uri;