decl.c (FOREIGN_FORCE_REALIGN_STACK): New macro, replacement for FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN.

        * gcc-interface/decl.c (FOREIGN_FORCE_REALIGN_STACK): New macro,
        replacement for FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN.
        (gnat_to_gnu_entity) <case ..., E_Procedure>: Use it.

From-SVN: r163641