[vala] Created tag 0.48.9

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '0.48.9' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: 1597064128 +0200

    0.48.9

Changes since the last tag '0.48.8':

Jeremy Philippe (1):
      posix: Declare WRDE_APPEND constant as public

Rico Tzschichholz (20):
      gio-unix-2.0: Fix "g_unix_mount_for" binding
      vala: Inherit CCode.returns_floating_reference attribute from base method
      pango: Update from 1.45.4+
      codegen: Include header for base-symbols when connecting vfuncs
      girparser: Add support for string "feature_test_macro" metadata
      gio-2.0: Include "gio/gsettingsbackend.h" for GLib.SettingsBackend members
      vala: Mark tranformed member-access as qualified
      tests: Add "enum typed property" tests to increase coverage
      tests: Add "return in construct/destructor" tests to increase coverage
      goocanvas-2.0: Fix some field ownerships and types
      posix: Add missing "has_typedef" attribute for some delegates
      gtk4: Update to 3.99.0+358b698e
      gstreamer: Update from 1.17.2+ git master
      tests: Add "signal error marshalling" test to increase coverage
      Revert "girwriter: Use appropriate get_ccode_* functions"
      tests: Add more "invalid" tests to increase coverage
      tests: Add "property accessor with try statement" test to increase coverage
      tests: Add "constant and union" gir test to increase coverage
      tests: Add "nested namespace" girwriter test to increase coverage
      Release 0.48.9