[gnome-software/gnome-3-14] Fix the build with gtk+ 3.14

[Kalev Lember <klember src gnome org>]

commit 9eb4249bf0f528201ea71cd9f5dd6d5ecf99bf37
Author: Kalev Lember <klember redhat com>
Date:   Thu Jun 18 22:45:34 2015 +0200

    Fix the build with gtk+ 3.14
    
    Don't use gtk_text_view_set_monospace() that's only available starting
    with gtk+ 3.16. Instead, construct a monospace pango font description
    manually and set it on the textview widget.

 src/gs-offline-updates.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-offline-updates.c b/src/gs-offline-updates.c
index 3e132f4..f98043f 100644
--- a/src/gs-offline-updates.c
+++ b/src/gs-offline-updates.c
@@ -245,6 +245,7 @@ insert_details_widget (GtkMessageDialog *dialog, const gchar *details)
        GtkTextBuffer *buffer;
        GList *children;
        GString *msg;
+       PangoFontDescription *font_desc;
 
        if (!details)
                return;
@@ -293,11 +294,15 @@ insert_details_widget (GtkMessageDialog *dialog, const gchar *details)
        buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (tv));
        gtk_text_view_set_editable (GTK_TEXT_VIEW (tv), FALSE);
        gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (tv), GTK_WRAP_WORD);
-       gtk_text_view_set_monospace (GTK_TEXT_VIEW (tv), TRUE);
        gtk_text_buffer_set_text (buffer, msg->str, -1);
        tmp_apply_tags (buffer);
        gtk_widget_set_visible (tv, TRUE);
 
+       /* Make the textview monospaced */
+       font_desc = pango_font_description_from_string ("monospace");
+       gtk_widget_override_font (tv, font_desc);
+       pango_font_description_free (font_desc);
+
        gtk_container_add (GTK_CONTAINER (sw), tv);
        gtk_box_pack_end (GTK_BOX (message_area), sw, TRUE, TRUE, 0);