[gnome-builder] pango: fix font rendering on GTK+ 3.21

[Christian Hergert <chergert src gnome org>]

commit 23b78f1c2b2e6c62264da914b7bb9d5289e4b2b1
Author: Christian Hergert <christian hergert me>
Date:   Thu Apr 28 16:56:49 2016 -0700

    pango: fix font rendering on GTK+ 3.21
    
    Previously, this worked fine due to things not being implemented correctly
    for font-sizing in lower layers. But this is fixed now, and so the bug
    is pretty obvious.

 libide/util/ide-pango.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/util/ide-pango.c b/libide/util/ide-pango.c
index ea4e13e..c1f974d 100644
--- a/libide/util/ide-pango.c
+++ b/libide/util/ide-pango.c
@@ -179,7 +179,7 @@ ide_pango_font_description_to_css (const PangoFontDescription *font_desc)
       gint font_size;
 
       font_size = pango_font_description_get_size (font_desc) / PANGO_SCALE;
-      ADD_KEYVAL_PRINTF ("font-size", "%dpx", font_size);
+      ADD_KEYVAL_PRINTF ("font-size", "%dpt", font_size);
     }
 
   return g_string_free (str, FALSE);