example: classifier: check sscanf return code
example: classifier: check sscanf return code

Signed-off-by: Nicolas Morey-Chaisemartin <7188b998d7bb37a035517aa285fa3f5a95344e80@kalray.eu>
Reviewed-by: Balasubramanian Manoharan <affd9aba178b6c6e9aaff69252817fd03d71ae35@linaro.org>
Signed-off-by: Maxim Uvarov <db4d16e02ae2d7493db430203537da8b2e34f290@linaro.org>

mike-holmes-linaro/odp,ravineet-singh/odp,mike-holmes-linaro/odp,ravineet-singh/odp,kalray/odp-mppa,erachmi/odp,kalray/odp-mppa,ravineet-singh/odp,nmorey/odp,kalray/odp-mppa,kalray/odp-mppa,dkrot/odp,kalray/odp-mppa,ravineet-singh/odp,kalray/odp-mppa,erachmi/odp,nmorey/odp,mike-holmes-linaro/odp,erachmi/odp,nmorey/odp,nmorey/odp,dkrot/odp,rsalveti/odp,rsalveti/odp,dkrot/odp,rsalveti/odp,rsalveti/odp,mike-holmes-linaro/odp,erachmi/odp,rsalveti/odp,dkrot/odp,kalray/odp-mppa