[glib] Created tag 2.51.4

[Matthias Clasen <matthiasc src gnome org>]

The unsigned tag '2.51.4' was created.

Tagger: Matthias Clasen <mclasen redhat com>
Date: Wed Mar 1 15:46:57 2017 -0500

    2.51.4

Changes since the last tag '2.51.3':

David King (1):
      build: Add vs15 subdir to win32 Makefile.am

Matthias Clasen (1):
      2.51.4

Philip Withnall (5):
      glib-compile-schemas: Fix various memory leaks
      gsettings: Fix memory leak on error handling path for g_settings_set()
      gsettings: Fix a leak in GSettingsAction
      tests: Fix a double-unref in the GSettings unit tests
      tests: Fix some memory leaks in the GSettings unit tests