Fix warning about missing initializer

    BTA_AV_RC_PASS_RSP_CODE,/* the default response code for pass through commands */

    bta_av_meta_caps_co_ids,/* the metadata Get Capabilities response for company id */

    bta_av_meta_caps_evt_ids,/* the the metadata Get Capabilities response for event id */

    NULL,                   /* the action function table for VDP stream */

    NULL,                   /* action function to register VDP */

    {0},                    /* Default AVRCP controller name */

    {0},                    /* Default AVRCP target name */

};

tBTA_AV_CFG *p_bta_av_cfg = (tBTA_AV_CFG *) &bta_av_cfg;