[balsa] meson.build: specify meson version >= 0.43

[Peter Bloomfield <peterb src gnome org>]

commit 7065972f98680562b32dc2f6d6068bdb916ea8d2
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon May 27 13:55:45 2019 -0400

    meson.build: specify meson version >= 0.43
    
    because we use compiler.get_supported_arguments()

 ChangeLog   | 4 ++++
 meson.build | 1 +
 2 files changed, 5 insertions(+)
---
diff --git a/ChangeLog b/ChangeLog
index 455bf5a98..7dc632b54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-05-27  Peter Bloomfield  <pbloomfield bellsouth net>
+
+       * meson.build: specify meson version >= 0.43
+
 2019-05-27  Peter Bloomfield  <pbloomfield bellsouth net>
 
        * meson.build: Bump default version to 2.5.7;
diff --git a/meson.build b/meson.build
index dc052f4fa..e81fd8d7f 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,6 @@
 project('balsa', 'c',
         version         : '2.5.7',
+        meson_version   : '>= 0.43.0',
         default_options : 'sysconfdir=/etc')
 
 # if meson is used not in a git source tree, use project version: