Merge "Initialize reference counter for egl_display_t"

    SortedVector<egl_object_t*> objects;

    egl_display_t() : magic('_dpy'), numTotalConfigs(0), configs(0) { }

    egl_display_t() : magic('_dpy'), numTotalConfigs(0), configs(0), refs(0) { }

    ~egl_display_t() { magic = 0; }

    inline bool isReady() const { return (refs > 0); }

    inline bool isValid() const { return magic == '_dpy'; }