elementary bg: allow NULL pointers in legacy usage

Summary:
It should not cause crash with NULL parameters.
@fix

Reviewers: woohyun, raster, cedric

Reviewed By: woohyun, raster

Differential Revision: https://phab.enlightenment.org/D5979

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/elementary/efl_ui_bg_widget.c b/src/lib/elementary/efl_ui_bg_widget.c
index 09f07b1e63..8fe8072345 100644
--- a/src/lib/elementary/efl_ui_bg_widget.c
+++ b/src/lib/elementary/efl_ui_bg_widget.c
@@ -218,8 +218,8 @@ _efl_ui_bg_widget_efl_file_file_get(const Eo *obj, Efl_Ui_Bg_Widget_Data *sd, co
 {
    if (elm_widget_is_legacy(obj))
      {
-        *file = sd->file;
-        *key = sd->key;
+        if (file) *file = sd->file;
+        if (key) *key = sd->key;
         return;
      }