[glom] Utils:get_resource_exists(): Use the latest Gio::Resource API.

[Murray Cumming <murrayc src gnome org>]

commit 47f09d00ea890bef7e42d50ad0dbbd7428864dbb
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Dec 1 11:03:42 2014 +0100

    Utils:get_resource_exists(): Use the latest Gio::Resource API.

 glom/libglom/utils.cc |   10 +---------
 1 files changed, 1 insertions(+), 9 deletions(-)
---
diff --git a/glom/libglom/utils.cc b/glom/libglom/utils.cc
index 3560d53..48c77af 100644
--- a/glom/libglom/utils.cc
+++ b/glom/libglom/utils.cc
@@ -1572,15 +1572,7 @@ bool Utils::script_check_for_pygtk2(const Glib::ustring& script)
 
 bool Utils::get_resource_exists(const std::string& resource_path)
 {
-  try
-  {
-     Gio::Resource::get_info_global(resource_path);
-     return true;
-  }
-  catch (const Gio::ResourceError&)
-  {
-     return false;
-  }
+  return Gio::Resource::get_file_exists_global_nothrow(resource_path);
 }
 
 } //namespace Glom