[cogl/cogl-1.20] pango: Conditionally use deprecated API

[Emmanuele Bassi <ebassi src gnome org>]

commit 9ab320cd3d4b32ed5d30ff80310daca555a0989e
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Jun 10 15:14:30 2015 +0100

    pango: Conditionally use deprecated API
    
    When compiling against a newer version of Pango we can avoid the
    deprecation warning.

 cogl-pango/cogl-pango-fontmap.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/cogl-pango/cogl-pango-fontmap.c b/cogl-pango/cogl-pango-fontmap.c
index 7222238..a9c7df0 100644
--- a/cogl-pango/cogl-pango-fontmap.c
+++ b/cogl-pango/cogl-pango-fontmap.c
@@ -98,9 +98,13 @@ cogl_pango_font_map_create_context (CoglPangoFontMap *fm)
 {
   _COGL_RETURN_VAL_IF_FAIL (COGL_PANGO_IS_FONT_MAP (fm), NULL);
 
+#if PANGO_VERSION_CHECK (1, 22, 0)
   /* We can just directly use the pango context from the Cairo font
      map */
+  return pango_font_map_create_context (PANGO_FONT_MAP (fm));
+#else
   return pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (fm));
+#endif
 }
 
 static CoglPangoFontMapPriv *