[pango] Bug 686512 - pango_cairo_font_get_scaled_font failed under wine

[Behdad Esfahbod <behdad src gnome org>]

commit 4f75120c8446e7d9bb75393f02d93908f0ea517b
Author: Behdad Esfahbod <behdad behdad org>
Date:   Sun Dec 9 20:23:00 2012 -0500

    Bug 686512 - pango_cairo_font_get_scaled_font failed under wine

 pango/pangocairo-font.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/pango/pangocairo-font.c b/pango/pangocairo-font.c
index 3b64959..9728101 100644
--- a/pango/pangocairo-font.c
+++ b/pango/pangocairo-font.c
@@ -488,6 +488,8 @@ _pango_cairo_font_private_get_hex_box_info (PangoCairoFontPrivate *cf_priv)
 
 
   scaled_mini_font = pango_cairo_font_get_scaled_font ((PangoCairoFont *) mini_font);
+  if (G_UNLIKELY (scaled_mini_font == NULL || cairo_scaled_font_status (scaled_mini_font) != CAIRO_STATUS_SUCCESS))
+    return NULL;
 
   for (i = 0 ; i < 16 ; i++)
     {