[FIX] prevent issues

[FIX] prevent issues

----------------------------------------------------------------------|
| CID    | Type                     | File      | Function            |
|---------------------------------------------------------------------|
|451069  | DC.SECURE_CODING_STRTOK  | wsi.c     | wsi_set_smack_rules |
|451062  | DC.SECURE_CODING_SPRINTF | wsi.c     | wsi_set_profile     |
|451061  | DC.SECURE_CODING_SPRINTF | utils.c   | exec_app_common     |
|451060  | DC.SECURE_CODING_SPRINTF | wsi.c     | init_wsi_conn       |
|451050  | ALLOC_FREE_MISMATCH      | buffer.c  | insert_buf_modules  |
|447744  | DC.SECURE_CODING_USLEEP  | thread.c  | replay_thread       |
|---------------------------------------------------------------------|

Change-Id: Idb5ad86f483b27cca37566ac4250d9205412630f
Signed-off-by: Vitaliy Cherepanov <v.cherepanov@samsung.com>