[glib-networking] Bump GLIB_VERSION_MIN_REQUIRED

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1f39bc1c69f22a7e0204a030ba4271aa38fc9228
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Feb 6 20:02:17 2018 -0600

    Bump GLIB_VERSION_MIN_REQUIRED

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index 422d973..df771d4 100644
--- a/meson.build
+++ b/meson.build
@@ -26,7 +26,7 @@ common_flags = [
   '-DG_LOG_DOMAIN="GLib-Net"',
   '-DLOCALE_DIR="@0@"'.format(localedir),
   '-DG_DISABLE_DEPRECATED',
-  '-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_46'
+  '-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_56'
 ]
 
 add_project_arguments(common_flags, language: 'c')