[gnome-chess] Define log domain for gnome-chess

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9d76722bfb0e3afab63ffad67b096e5099d5935e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Dec 4 12:12:58 2020 -0600

    Define log domain for gnome-chess
    
    This allows displaying gnome-chess debug messages, but not other debug
    messages, by setting the environment variable
    G_MESSAGES_DEBUG=gnome-chess.

 meson.build     | 1 +
 src/config.vapi | 1 +
 2 files changed, 2 insertions(+)
---
diff --git a/meson.build b/meson.build
index 18df3e2..3c6642a 100644
--- a/meson.build
+++ b/meson.build
@@ -47,6 +47,7 @@ conf.set_quoted('PACKAGE_VERSION', meson.project_version())
 conf.set_quoted('PKGDATADIR', pkgdatadir)
 conf.set_quoted('SYSCONFDIR', sysconfdir)
 conf.set_quoted('VERSION', meson.project_version())
+conf.set_quoted('G_LOG_DOMAIN', meson.project_name())
 configure_file(output: 'config.h', configuration: conf)
 
 # Post-install scripts
diff --git a/src/config.vapi b/src/config.vapi
index ee6dfda..6493493 100644
--- a/src/config.vapi
+++ b/src/config.vapi
@@ -3,3 +3,4 @@ public const string SYSCONFDIR;
 public const string LOCALEDIR;
 public const string GETTEXT_PACKAGE;
 public const string VERSION;
+public const string G_LOG_DOMAIN;