staging: cxt1e1: musycc.c: fixes placement of parentheses

This commit fixes several incorrect placements of parantheses, as
identified by the checkpatch.pl tool.
Signed-off-by: NJohan Meiring <johanmeiring@gmail.com>
Acked-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>