[gthumb] removed use of a deprecated function

[Paolo Bacchilega <paobac src gnome org>]

commit c178074776c2e86cd7a16c73d331d140d89e300d
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Dec 8 16:19:08 2014 +0100

    removed use of a deprecated function

 gthumb/dlg-preferences-extensions.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gthumb/dlg-preferences-extensions.c b/gthumb/dlg-preferences-extensions.c
index 234b2e9..f832aea 100644
--- a/gthumb/dlg-preferences-extensions.c
+++ b/gthumb/dlg-preferences-extensions.c
@@ -461,13 +461,13 @@ create_extensions_row (GthExtensionDescription    *description,
        label_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
 
        label = gtk_label_new (description->name);
-       gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+       gtk_widget_set_valign (label, 0.5);
        gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
        gtk_style_context_add_class (gtk_widget_get_style_context (label), "extension-name");
        gtk_box_pack_start (GTK_BOX (label_box), label, FALSE, FALSE, 0);
 
        label = gtk_label_new (description->description);
-       gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+       gtk_widget_set_valign (label, 0.5);
        gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
        gtk_style_context_add_class (gtk_widget_get_style_context (label), "extension-description");
        gtk_box_pack_start (GTK_BOX (label_box), label, FALSE, FALSE, 0);