[gtk/pango2: 78/91] Use modern C++

[Matthias Clasen <matthiasc src gnome org>]

commit bfc39860a202495fd933cc4c8a61a0b64a3d23bc
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 18 15:22:10 2022 -0700

    Use modern C++
    
    This is needed to build HarfBuzz as a subproject.

 meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meson.build b/meson.build
index d34aff927f..e407260f27 100644
--- a/meson.build
+++ b/meson.build
@@ -6,6 +6,7 @@ project('gtk', 'c',
           # We only need c99, but glib needs GNU-specific features
           # https://github.com/mesonbuild/meson/issues/2289
           'c_std=gnu99',
+          'cpp_std=c++11',
         ],
         meson_version : '>= 0.59',
         license: 'LGPL-2.1-or-later')