[glom] Slight improvement.

[Murray Cumming <murrayc src gnome org>]

commit 5519aed5a37ac0dd589ee2a8d3bff42f8429d67a
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon May 16 19:13:36 2016 +0200

    Slight improvement.

 glom/utils_ui.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glom/utils_ui.cc b/glom/utils_ui.cc
index f2967b2..599fe86 100644
--- a/glom/utils_ui.cc
+++ b/glom/utils_ui.cc
@@ -60,7 +60,7 @@ static void on_css_parsing_error(const Glib::RefPtr<const Gtk::CssSection>& sect
     const auto file = section->get_file();
     if (file)
     {
-      std::cerr << " URI = " << section->get_file()->get_uri() << std::endl;
+      std::cerr << " URI = " << file->get_uri() << std::endl;
     }
 
     std::cerr << " start_line = " << section->get_start_line()+1