$NetBSD: patch-meson.build,v 1.1 2020/07/31 11:05:49 prlw1 Exp $

Don't insist that python binary is called 'python3'.

--- meson.build.orig	2020-04-25 16:59:58.000000000 +0000
+++ meson.build
@@ -69,7 +69,10 @@ x11_dep = dependency('x11', required: fa
 introspection_dep = dependency('gobject-introspection-1.0', required: false)
 vapigen_dep = dependency('vapigen', version: '>= 0.25.1', required: false)
 
-python3 = python.find_installation('python3')
+python3 = python.find_installation('python3', required: false)
+if not python3.found()
+  python3 = python.find_installation()
+endif
 
 build_checkupdate_plugin = host_machine.system() == 'windows'
 if build_checkupdate_plugin