Fix sizeof
Fix sizeof

The grammar specifies that a type name must be enclosed
between parenthesis, so this code uses a look ahead to
can difference between a type name and an expression
(that the grammar specifies it is a unary expression)

k0gaMSX/kcc,k0gaMSX/scc,8l/scc,k0gaMSX/kcc,8l/scc,8l/scc,k0gaMSX/scc,k0gaMSX/scc