Change function "chaca_tipo_parametro" to check reference

Change function to check if pareter is reference.

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Change to check references parameters

If parameter is expression with two or more elements or
if parameter is a number, this parameter is not refenrence parameter.

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Execute make

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>