[gtk+] gl: Fix the required version setter

[Emmanuele Bassi <ebassi src gnome org>]

commit 5666522ab3d5073d5f1b6483d9354680d3ccb1ce
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Tue Feb 10 10:16:53 2015 +0000

    gl: Fix the required version setter
    
    We don't allow a version tuple to be lower than (3, 2), but we should
    allow versions above that.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744212

 gdk/gdkglcontext.c |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index dda1b61..5001c71 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -523,8 +523,21 @@ gdk_gl_context_set_required_version (GdkGLContext *context,
   g_return_if_fail (GDK_IS_GL_CONTEXT (context));
   g_return_if_fail (!priv->realized);
 
+  /* this will take care of the default */
+  if (major == 0 && minor == 0)
+    {
+      priv->major = 0;
+      priv->minor = 0;
+      return;
+    }
+
   priv->major = MAX (major, 3);
-  priv->minor = MAX (minor, 2);
+
+  /* we only support versions ≥ 3.2 */
+  if (priv->major == 3)
+    priv->minor = MAX (minor, 2);
+  else
+    priv->minor = minor;
 }
 
 /**