[gtk+] Fix a typo in the docs

[Matthias Clasen <matthiasc src gnome org>]

commit c93d66c8a7c5bd6942ccec0a95ffdc5cc0c1aa8b
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 13 21:40:27 2015 -0400

    Fix a typo in the docs
    
    gtk-doc complains about parameter name mismatches.

 gtk/gtklabel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 5084c33..bb900aa 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -7138,7 +7138,7 @@ gtk_label_get_xalign (GtkLabel *label)
 /**
  * gtk_label_set_yalign:
  * @label: a #GtkLabel
- * @xalign: the new yalign value, between 0 and 1
+ * @yalign: the new yalign value, between 0 and 1
  *
  * Sets the #GtkLabel:yalign property for @label.
  *