From 1bce69b9f0388af1b6d941bab7ec5c3ec4ba8595 Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Sat, 13 Oct 2018 08:24:31 +0200
Subject: [PATCH] Fix a minor compil warning.

---
 include/gal/opengl/opengl_gal.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/gal/opengl/opengl_gal.h b/include/gal/opengl/opengl_gal.h
index a87973cfc8..e6cb3ca2f1 100644
--- a/include/gal/opengl/opengl_gal.h
+++ b/include/gal/opengl/opengl_gal.h
@@ -333,9 +333,9 @@ private:
 
     std::unique_ptr<GL_BITMAP_CACHE>         bitmapCache;
 
-    void lockContext();
+    void lockContext() override;
 
-    void unlockContext();
+    void unlockContext() override;
 
     ///< Update handler for OpenGL settings
     bool updatedGalDisplayOptions( const GAL_DISPLAY_OPTIONS& aOptions ) override;