[pango] Another warning fix

[Matthias Clasen <matthiasc src gnome org>]

commit 469333ab8548d1f57df4b52e522533f8cce8c679
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Aug 2 08:20:40 2019 -0400

    Another warning fix

 examples/pangowin32tobmp.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/examples/pangowin32tobmp.c b/examples/pangowin32tobmp.c
index 2a945d70..8d3831a2 100644
--- a/examples/pangowin32tobmp.c
+++ b/examples/pangowin32tobmp.c
@@ -53,10 +53,7 @@ static int
 compare_font_family (gconstpointer a,
                      gconstpointer b)
 {
-  const PangoFontFamily** aa = (const PangoFontFamily **)a;
-  const PangoFontFamily** bb = (const PangoFontFamily **)b;
-
-  return strcmp (pango_font_family_get_name (*aa), pango_font_family_get_name (*bb));
+  return strcmp (pango_font_family_get_name ((PangoFamily *)*a), pango_font_family_get_name ((PangoFamily 
*)*b));
 }
 
 int main (int argc, char **argv)