[frogr] Reduce warning_level to a better default value

[Mario Sanchez Prada <msanchez src gnome org>]

commit 0a5c7d4c6f8746f84af1949e8600d6f89e2c1fac
Author: Mario Sanchez Prada <msanchez gnome org>
Date:   Wed Feb 16 09:50:20 2022 +0100

    Reduce warning_level to a better default value

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 87e4de34..2cb35c8f 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project('frogr', 'c',
         version: '1.7',
         license: 'GPL3',
         default_options: [
-            'warning_level=2',
+            'warning_level=1',
             'werror=false'
         ])