[gfortran] Fix PR 19543: Type mismatch when building logical constants

[Paul Brook]

On Saturday 22 January 2005 11:59, Tobias Schlüter wrote:
> 2005-01-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
>
>  * trans-types.c (gfc_init_types): Don't initialize boolean_type_node,
>  boolean_true_node and boolean_false_node.

As you have probably discovered, this probably won't work.
boolean_*_node is used by gfortran on the assumption that it is the default 
logical kind.

Paul