Fixed wrong index in get_sender_name.
Fixed wrong index in get_sender_name.

sarutobi/ritmserdtsa,sarutobi/flowofkindness,sarutobi/Rynda,sarutobi/ritmserdtsa,sarutobi/flowofkindness,sarutobi/ritmserdtsa,sarutobi/Rynda,sarutobi/Rynda,sarutobi/flowofkindness,sarutobi/Rynda,sarutobi/ritmserdtsa,sarutobi/flowofkindness