evas_canvas3d: cube chaotic was not initialized and relied on luck to be zeroed by default.

Summary: Cube chaotic was rotated, because angle in structure of "SceneData" have random number.

Reviewers: cedric, Hermet

Subscribers: cedric

Differential Revision: https://phab.enlightenment.org/D2643

Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>

src/examples/evas/evas-3d-cube-rotate.c

@@ -258,6 +258,7 @@ main(void)
 
    evas = ecore_evas_get(ecore_evas);
 
+   memset(&data, 0, sizeof(Scene_Data));
    _scene_setup(&data);
 
    /* Add a background rectangle objects. */