remove self-assignment of base_type

The parsing of enums contains a self-assignment to base_type.
But this self-assignment doesn't show very clearly that the
variable doesn't need to change and that some compilers complain.

So, replace that self-assignment by a null statement.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
1 file changed