[vte] widget: Set the background alpha in set_colors

[Debarshi Ray <debarshir src gnome org>]

commit f555e78839bbb47a4407bcfd01adcfc2dd070071
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri May 9 18:33:15 2014 +0200

    widget: Set the background alpha in set_colors
    
    We are doing that in vte_terminal_set_color_background, but a lot of
    applications (eg., the test application, gnome-terminal) use
    vte_terminal_set_colors. So set it there as well.
    
    Fallout from 060850078a53dce64c3d2b96882f525fef7f5028
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729884

 src/vte.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/vte.c b/src/vte.c
index 135eef7..7fb4599 100644
--- a/src/vte.c
+++ b/src/vte.c
@@ -2915,6 +2915,8 @@ vte_terminal_set_colors(VteTerminal *terminal,
                                  _pango_color_from_rgba(&bg, background),
                                  pal, palette_size);
 
+        _vte_terminal_set_background_alpha(terminal, background ? background->alpha : 1.0);
+
        g_free (pal);
 }