[IOT-1700] SendCallBack() doesn't return an error for unsupported adapter

Added error return if adapter is not supported

Change-Id: I472864a1b8e20128965905883ab6db60b36bda6f
Signed-off-by: Joonghwan Lee <jh05.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/15885Reviewed-by: Pawel Winogrodzki <pawelwi@microsoft.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit 8064b0c6)
Reviewed-on: https://gerrit.iotivity.org/gerrit/15911

resource/csdk/connectivity/src/adapter_util/ca_adapter_net_ssl.c

@@ -521,6 +521,7 @@ static int SendCallBack(void * tep, const unsigned char * data, size_t dataLen)
     else
     {
         OIC_LOG(ERROR, NET_SSL_TAG, "Unsupported adapter");
+        return -1;
     }
 
     OIC_LOG_V(DEBUG, NET_SSL_TAG, "Out %s", __func__);