Fix code warning.

Change-Id: Ib11fb49f528d3688351ae349d5b4e307c28b3967
diff --git a/mbtk/mbtk_rild/src/mbtk_phonebook.c b/mbtk/mbtk_rild/src/mbtk_phonebook.c
index 215727c..34611cb 100755
--- a/mbtk/mbtk_rild/src/mbtk_phonebook.c
+++ b/mbtk/mbtk_rild/src/mbtk_phonebook.c
@@ -25,7 +25,7 @@
 mbtk_info_err_enum pb_pack_req_process(sock_client_info_t* cli_info, mbtk_info_pack_t* pack)
 {
     mbtk_info_err_enum err = MBTK_INFO_ERR_SUCCESS;
-    int cme_err = MBTK_INFO_ERR_CME_NON;
+//    int cme_err = MBTK_INFO_ERR_CME_NON;
     switch(pack->info_id)
     {
         case MBTK_INFO_ID_PB_STATE_REQ: