[gtk] Typo fix

[Matthias Clasen <matthiasc src gnome org>]

commit af98c46d04d86e192349d20711d36dbb1de9bc9d
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 11 07:46:12 2020 -0500

    Typo fix

 gtk/gtkicontheme.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtkicontheme.h b/gtk/gtkicontheme.h
index fbd34c3f83..86d22dc05c 100644
--- a/gtk/gtkicontheme.h
+++ b/gtk/gtkicontheme.h
@@ -44,7 +44,7 @@ typedef struct _GtkIconTheme      GtkIconTheme;
  *   when symbolic icon names are given
  * @GTK_ICON_LOOKUP_FORCE_SYMBOLIC: Try to always load symbolic icons, even
  *   when regular icon names are given
- * @GTK_ICON_LOOKUP_PREALOAD: Starts loading the texture in the background
+ * @GTK_ICON_LOOKUP_PRELOAD: Starts loading the texture in the background
  *   so it is ready when later needed.
  *
  * Used to specify options for gtk_icon_theme_lookup_icon()