[dia] More PyErr_Warn(), less g_warning()

[Hans Breuer <hans src gnome org>]

commit 79727fc8475b30bd5bd9b93d88224cef754c4dda
Author: Hans Breuer <hans breuer org>
Date:   Fri Feb 14 19:57:42 2014 +0100

    More PyErr_Warn(), less g_warning()

 plug-ins/python/pydia-property.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/python/pydia-property.c b/plug-ins/python/pydia-property.c
index 01fa200..642c831 100644
--- a/plug-ins/python/pydia-property.c
+++ b/plug-ins/python/pydia-property.c
@@ -526,7 +526,7 @@ PyDia_set_BezPointArray(Property *prop, PyObject *val)
     }
     /* rather than crashing Dia with too few point handle it here */
     if (numpts < 2) {
-      g_warning ("Too few BezPoints!");
+      PyErr_Warn (PyExc_RuntimeWarning, "Too few BezPoints!");
       return -1;
     }
     /* only count valid points */