[atk: 1/2] atk_value_get_value_and_text: cope with text being NULL

[Emmanuele Bassi <ebassi src gnome org>]

commit d123a661f438d6d52410300d3d51d3e471eafdc9
Author: Colomban Wendling <cwendling hypra fr>
Date:   Thu Jul 30 15:57:35 2020 +0200

    atk_value_get_value_and_text: cope with text being NULL

 atk/atkvalue.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/atk/atkvalue.c b/atk/atkvalue.c
index 5f56541..ae7242f 100644
--- a/atk/atkvalue.c
+++ b/atk/atkvalue.c
@@ -550,7 +550,8 @@ atk_value_get_value_and_text (AtkValue *obj,
   else
     {
       *value = 0.0;
-      *text = NULL;
+      if (text)
+        *text = NULL;
     }
 }