Simplified struct symbol table in the header compiler

Struct symbol simplified to facility insertion elements
in the symbol table.

Signed-off-by: Gustavo Toshi Komura <gtk10@c3sl.ufpr.br>
Insertion elements in the symbol table in the part syntatic

Elements as type, level and category can be insertion in
the symbol table.

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

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