src: typo: mappping
src: typo: mappping

Signed-off-by: Arnaud Rebillout <4cd336a9881d78eb7ef80e3459bf7ce4b51750e2@collabora.com>

ejoerns/rauc,jluebbe/rauc,jluebbe/rauc,rauc/rauc,rauc/rauc,ejoerns/rauc,jluebbe/rauc,rauc/rauc,ejoerns/rauc