C#: Update the DB scheme to consider more unary operators to be operatorcalls as well.

Author: michaelnebel

csharp/ql/lib/semmlecode.csharp.dbscheme

@@ -1279,12 +1279,13 @@ case @expr.kind of
 
 @ternary_op = @ternary_log_op_expr;
 @bin_op = @assign_expr | @bin_arith_op_expr | @bin_log_op_expr | @bin_bit_op_expr | @comp_expr;
-@un_op = @un_arith_op_expr | @un_log_op_expr | @un_bit_op_expr | @sizeof_expr
+@un_op_call_expr = @un_arith_op_expr | @un_log_op_expr | @un_bit_op_expr;
+@un_op = @un_op_call_expr | @sizeof_expr
        | @pointer_indirection_expr | @address_of_expr;
 
 @anonymous_function_expr = @lambda_expr | @anonymous_method_expr;
 
-@op_invoke_expr = @operator_invocation_expr | @assign_op_call_expr | @mut_op_expr;
+@op_invoke_expr = @operator_invocation_expr | @assign_op_call_expr | @un_op_call_expr;
 @call = @method_invocation_expr | @constructor_init_expr | @op_invoke_expr
       | @delegate_invocation_expr | @object_creation_expr | @call_access_expr
       | @local_function_invocation_expr | @function_pointer_invocation_expr;
@@ -1311,7 +1312,7 @@ implicitly_typed_object_creation(
   unique int id: @implicitly_typeable_object_creation_expr ref);
 
 mutator_invocation_mode(
-  unique int id: @operator_invocation_expr ref,
+  unique int id: @mut_op_expr ref,
   int mode: int ref /* prefix = 1, postfix = 2*/);
 
 expr_value(