gengenrtl.c (gencode): Always use bzero to clear memory instead of dangerous casts...

gengenrtl.c (gencode): Always use bzero to clear memory instead of dangerous casts and stores.

        * gengenrtl.c (gencode): Always use bzero to clear memory instead
        of dangerous casts and stores.
Fixes alpha & sparc -O3 bootstrap problems.

From-SVN: r24420