[jsonrpc-glib] build: require -std=GNU11

[Christian Hergert <chergert src gnome org>]

commit a9ea036603dabc95b9ad1ca8abb1961ec20344df
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 12 14:40:28 2017 -0700

    build: require -std=GNU11
    
    We require this and therefore it should be represented in the project
    options correctly.

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index 9224062..740a777 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project('jsonrpc-glib', 'c',
           version: '3.26.0',
           license: 'LGPLv2.1+',
     meson_version: '>= 0.40.1',
-  default_options: [ 'warning_level=1', 'buildtype=debugoptimized' ],
+  default_options: [ 'warning_level=1', 'buildtype=debugoptimized', 'c_std=gnu11' ],
 )
 
 version_arr = meson.project_version().split('.')