[gnome-builder/gnome-builder-3-26] gdb: silence gdbwire warnings

[Christian Hergert <chergert src gnome org>]

commit 1c76f4aa1d66647c5f1ad9f94d215e89d555fd97
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jan 18 15:57:18 2018 -0800

    gdb: silence gdbwire warnings
    
    Backported from master

 plugins/gdb/meson.build | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/plugins/gdb/meson.build b/plugins/gdb/meson.build
index 8a363c7ff..908f02704 100644
--- a/plugins/gdb/meson.build
+++ b/plugins/gdb/meson.build
@@ -14,6 +14,11 @@ shared_module('gdb-plugin', gdb_sources,
   link_depends: plugin_link_deps,
        install: true,
    install_dir: plugindir,
+        c_args: [ '-Wno-redundant-decls',
+                  '-Wno-switch-default',
+                  '-Wno-missing-declarations',
+                  '-Wno-uninitialized',
+                  '-Wno-declaration-after-statement' ],
 )
 
 install_data('gdb.plugin', install_dir: plugindir)