[balsa] meson.build: Change the default buildtype

[Peter Bloomfield <peterb src gnome org>]

commit d4899fc522c277444f85d86b94af6c4320f57528
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sat Dec 19 22:17:09 2020 -0500

    meson.build: Change the default buildtype
    
    Change the default buildtype to debugoptimized, to be consistent with
    the autotools options "-g -O2". For the best gdb debugging experience,
    override the optimization with:
    
    meson configure --optimization g

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 08e6fc7da..dd420df20 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('balsa', 'c',
         version         : '2.6.1',
         meson_version   : '>= 0.50.0',
-        default_options : ['sysconfdir=/etc', 'optimization=2'])
+        default_options : ['sysconfdir=/etc', 'buildtype=debugoptimized'])
 
 # if meson is used not in a git source tree, use project version:
 balsa_version = meson.project_version()