* somsolib.c (dld_cache): Replace boolean by int for field is_valid.

   * somsolib.c (dld_cache): Replace boolean by int for field is_valid.
       Fixes a build failure on HP/UX.

       * hpread.c (told_objfile): Replace boolean type by int. Fixes a build
       failure on HP/UX.
       (hpread_has_name): Advance declaration to avoid a compilation warning.
       (pst_syms_count): Add missing variable type. By change, the compiler
       was defaulting to int, which seems a good choice. Fixes a compilation
       warning.
       (pst_syms_size): Likewise.