meson.build: default to warning_level=2

This branch isn't yet ready for level 3 (`-Wpedantic`) due to several C++ violations (e.g. variable length arrays). These are already cleaned up in the master branch (0.22).

meson.build: default to warning_level=2
5cb00800 · Max Kellermann · 8e4ca237 · 5cb00800
Commit 5cb00800 authored May 27, 2020 by Max Kellermann
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meson.build meson.build +2 -1

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--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,8 @@ project(
  meson_version: '>= 0.49.0',
  default_options: [
    'c_std=c99',
-    'cpp_std=c++14'
+    'cpp_std=c++14',
+    'warning_level=2',
  ],
  license: 'GPLv2+',
 )