ecore-wl2: Don't re-add existing globals

If we already have seen this global, and it is in the globals hash,
then don't re-add it and just jump straight to sending the event

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/ecore_wl2/ecore_wl2_display.c

@@ -55,6 +55,8 @@ _cb_global_add(void *data, struct wl_registry *registry, unsigned int id, const
              free(global);
           }
      }
+   else
+     goto event;
 
    if (!strcmp(interface, "wl_compositor"))
      {
@@ -94,6 +96,7 @@ _cb_global_add(void *data, struct wl_registry *registry, unsigned int id, const
    else if (!strcmp(interface, "wl_seat"))
      _ecore_wl2_input_add(ewd, id);
 
+event:
    /* allocate space for event structure */
    ev = calloc(1, sizeof(Ecore_Wl2_Event_Global));
    if (!ev) return;