[goobox] define DEBUG in config.h when the buildtype is debug

[Paolo Bacchilega <paobac src gnome org>]

commit 542b3bb4b6b25b2dec6ee488f4a44ce9f62e5f73
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Dec 28 15:32:55 2018 +0100

    define DEBUG in config.h when the buildtype is debug

 meson.build | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/meson.build b/meson.build
index ff784d7..cc546ca 100644
--- a/meson.build
+++ b/meson.build
@@ -32,6 +32,9 @@ endif
 config_data = configuration_data()
 config_data.set_quoted('GETTEXT_PACKAGE', gettext_package)
 config_data.set_quoted('GOO_LOCALEDIR', join_paths(prefix, get_option('localedir')))
+if get_option('buildtype').contains('debug')
+  config_data.set('DEBUG', 1)
+endif
 if get_option('run-in-place')
   config_data.set_quoted('GOO_UIDIR', join_paths(meson.source_root(), 'src', 'ui'))
 else