[template-glib] build: silence some warnings

[Christian Hergert <chergert src gnome org>]

commit 9778c98f66654f6f0999728b1a2410cf7da2ba2c
Author: Christian Hergert <chergert redhat com>
Date:   Thu May 19 13:54:20 2016 +0300

    build: silence some warnings

 src/tmpl-expr-parser.y  |    2 ++
 src/tmpl-expr-scanner.l |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/tmpl-expr-parser.y b/src/tmpl-expr-parser.y
index 721e812..8f44e69 100644
--- a/src/tmpl-expr-parser.y
+++ b/src/tmpl-expr-parser.y
@@ -14,6 +14,8 @@
 # include "tmpl-expr.h"
 # include "tmpl-expr-private.h"
 # include "tmpl-expr-parser-private.h"
+
+#pragma GCC diagnostic ignored "-Wswitch-default"
 %}
 
 %union {
diff --git a/src/tmpl-expr-scanner.l b/src/tmpl-expr-scanner.l
index 707ebdc..afe2435 100644
--- a/src/tmpl-expr-scanner.l
+++ b/src/tmpl-expr-scanner.l
@@ -13,6 +13,9 @@
 # include "tmpl-expr-private.h"
 # include "tmpl-expr-parser-private.h"
 # include "tmpl-expr-parser.h"
+
+#pragma GCC diagnostic ignored "-Wswitch-default"
+#pragma GCC diagnostic ignored "-Wunused-function"
 %}
 
 %option extra-type="TmplExprParser *"