e pan/scrollframe - fix garbage pan values that happen temporarily

during setup garbage pan positions can be set due to uninitialized
local variables. fix that to initialize.

@fix

src/bin/e_pan.c

@@ -144,7 +144,7 @@ static void
 _e_smart_child_resize_hook(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
 {
    E_Smart_Data *sd;
-   Evas_Coord w, h;
+   Evas_Coord w = 0, h = 0;
 
    sd = data;
    if (!sd->child_obj) return;
@@ -173,10 +173,14 @@ _e_smart_add(Evas_Object *obj)
    sd = E_NEW(E_Smart_Data, 1);
    if (!sd) return;
    sd->smart_obj = obj;
+   sd->px = 0;
+   sd->py = 0;
    sd->x = 0;
    sd->y = 0;
    sd->w = 0;
    sd->h = 0;
+   sd->child_w = 0;
+   sd->child_h = 0;
    evas_object_smart_data_set(obj, sd);
 }
 

src/bin/e_scrollframe.c

@@ -733,7 +733,7 @@ static void
 _e_smart_scrollbar_read(E_Smart_Data *sd)
 {
    Evas_Coord x, y, mx = 0, my = 0;
-   double vx, vy;
+   double vx = 0.0, vy = 0.0;
 
    edje_object_part_drag_value_get(sd->edje_obj, "e.dragable.vbar", NULL, &vy);
    edje_object_part_drag_value_get(sd->edje_obj, "e.dragable.hbar", &vx, NULL);
@@ -915,7 +915,7 @@ _e_smart_scrollbar_size_adjust(E_Smart_Data *sd)
    if ((sd->child_obj) || (sd->extern_pan))
      {
         Evas_Coord x = 0, y = 0, w = 0, h = 0, mx = 0, my = 0, vw = 0, vh = 0;
-        double vx, vy, size;
+        double vx = 0.0, vy = 0.0, size = 0.0;
 
         edje_object_calc_force(sd->edje_obj);
         edje_object_part_geometry_get(sd->edje_obj, "e.swallow.content",