[babl] meson: use "debugoptimized" as the default build type

[Ell <ell src gnome org>]

commit 69d7499dc2fcba1ac6526a59a248287918324d73
Author: Ell <ell_se yahoo com>
Date:   Fri Oct 25 17:08:45 2019 +0300

    meson: use "debugoptimized" as the default build type
    
    ... to match the default autotools behavior.

 meson.build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 1ada1a996..bd428b6ff 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,8 @@ project('babl', 'c',
   default_options: [
     'sysconfdir=/etc',
     'localstatedir=/var',
-    'sharedstatedir=/var/lib'
+    'sharedstatedir=/var/lib',
+    'buildtype=debugoptimized'
   ],
   # https://gitlab.gnome.org/GNOME/babl/issues/
 )