[gtk+] docs: Fix "shadres" → "shaders" typo

[Emmanuele Bassi <ebassi src gnome org>]

commit 5a6264ef5ddcbeb626f96424ad629e222543125e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Feb 15 11:23:30 2015 +0000

    docs: Fix "shadres" → "shaders" typo
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744394

 gtk/gtkglarea.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index f843271..0fc34cc 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -90,7 +90,7 @@
  * ]|
  *
  * If you need to initialize OpenGL state, e.g. buffer objects or
- * shadres, you should use the #GtkWidget::realize signal; you
+ * shaders, you should use the #GtkWidget::realize signal; you
  * can use the #GtkWidget::unrealize signal to clean up.
  *
  * If you need to change the options for creating the #GdkGLContext