[gssdp] update the minimum required glib/gio/gobject versions

[Jens Georg <jensgeorg src gnome org>]

commit eb0c3480c8ff779b59436bb3adb09040c13495fc
Author: Niveditha Rau <niveditha rau oracle com>
Date:   Thu Oct 24 20:45:01 2019 -0700

    update the minimum required glib/gio/gobject versions

 meson.build | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/meson.build b/meson.build
index fbc4df1..ef566aa 100644
--- a/meson.build
+++ b/meson.build
@@ -62,9 +62,9 @@ endif
 generic_unix = not bionic_available and host_machine.system() != 'windows'
 
 dependencies = [
-    dependency('glib-2.0', version : '>= 2.44'),
-    dependency('gobject-2.0', version : '>= 2.44'),
-    dependency('gio-2.0', version : '>= 2.44'),
+    dependency('glib-2.0', version : '>= 2.54'),
+    dependency('gobject-2.0', version : '>= 2.54'),
+    dependency('gio-2.0', version : '>= 2.54'),
     dependency('libsoup-2.4', version : '>= 2.26.1')
 ]