Replace no error code '0' for SMS with '-1'

Use '-1' for no error instead of '0' since the '0' has been one of the
valid error codes in 3GPP2.

Test: Manual

Change-Id: I4548cdb3b63aba1cfad32802b55e5516e4d9196e
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>