[gtk/matthiasc/for-master] fontbutton: Quote font family names

[Matthias Clasen <matthiasc src gnome org>]

commit e0ebf4e401528687cd22145ab16a83e2272dd72d
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 8 20:53:44 2021 -0400

    fontbutton: Quote font family names
    
    Otherwise, spaces in family names will trip up
    the css parser.

 gtk/gtkfontbutton.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkfontbutton.c b/gtk/gtkfontbutton.c
index 091ecbfe19..2e2d136fdc 100644
--- a/gtk/gtkfontbutton.c
+++ b/gtk/gtkfontbutton.c
@@ -1121,9 +1121,9 @@ pango_font_description_to_css (PangoFontDescription *desc,
   set = pango_font_description_get_set_fields (desc);
   if (set & PANGO_FONT_MASK_FAMILY)
     {
-      g_string_append (s, "font-family: ");
+      g_string_append (s, "font-family: \"");
       g_string_append (s, pango_font_description_get_family (desc));
-      g_string_append (s, "; ");
+      g_string_append (s, "\"; ");
     }
   if (set & PANGO_FONT_MASK_STYLE)
     {