[gtk+] Fix minor typos

[Piotr Drąg <piotrdrag src gnome org>]

commit 60ec7884893078eaa37a3d958bd7fa512202e10b
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed Aug 21 04:15:52 2013 +0200

    Fix minor typos

 gtk/gtkbox.c    |    2 +-
 gtk/gtkwidget.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkbox.c b/gtk/gtkbox.c
index cbf7591..ea02a14 100644
--- a/gtk/gtkbox.c
+++ b/gtk/gtkbox.c
@@ -264,7 +264,7 @@ gtk_box_class_init (GtkBoxClass *class)
                                    PROP_BASELINE_POSITION,
                                    g_param_spec_enum ("baseline-position",
                                                      P_("Baseline position"),
-                                                     P_("The position of the baseline aligned widgets if 
extra space is availible"),
+                                                     P_("The position of the baseline aligned widgets if 
extra space is available"),
                                                      GTK_TYPE_BASELINE_POSITION,
                                                      GTK_BASELINE_POSITION_CENTER,
                                                      GTK_PARAM_READWRITE));
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index f06d50c..9a035b4 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -1603,7 +1603,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
    * The requested opacity of the widget. See gtk_widget_set_opacity() for
    * more details about window opacity.
    *
-   * Before 3.8 this was only availible in GtkWindow
+   * Before 3.8 this was only available in GtkWindow
    *
    * Since: 3.8
    */