[dia] Undef PANGO_DISABLE_DEPRECATED for pango_ft2_get_context

[Hans Breuer <hans src gnome org>]

commit 55b88f584189e3bcd0780da20e6a616f1beeac1c
Author: Hans Breuer <hans breuer org>
Date:   Sat Nov 7 17:06:01 2009 +0100

    Undef PANGO_DISABLE_DEPRECATED for pango_ft2_get_context
    
    Also some g_return_if_fail() to better diagnose Pango going havoc.

 lib/font.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/lib/font.c b/lib/font.c
index 1846145..9426044 100644
--- a/lib/font.c
+++ b/lib/font.c
@@ -28,6 +28,7 @@
 #include <time.h>
 
 #include <pango/pango.h>
+#undef PANGO_DISABLE_DEPRECATED /* pango_ft_get_context */
 #ifdef HAVE_FREETYPE
 #include <pango/pangoft2.h>
 #endif
@@ -208,6 +209,7 @@ static void
 dia_pfd_set_height(PangoFontDescription* pfd, real height)
 { 
   /* ONLY place for the magic factor! */
+  g_return_if_fail (height > 0.0);
   pango_font_description_set_absolute_size(pfd, dcm_to_pdu(height) * 0.8);
 }