[krbdev.mit.edu #1596] Corrections to krb524 support

[via RT]

Summary of the changes that need to be made for the krb524 support to
provide backward compatibility with programs built for use with old
krb524 library.


krb5/src/include/krb5.hin:

    The macro declaration of krb524_init_ets() needs to be changed from

      #define krb524_init_ets()  (0)

    to

      #define krb524_init_ets(x) (0)

krb5/src/krb524/krb524.c:

    The function declaration for krb524_init_ets() needs to change from

      void KRB5_CALLCONV krb524_init_ets(void)

    to
     
      void KRB5_CALLCONV_C krb524_init_ets(krb5_context context)

    The function declaration for krb524_convert_creds_kdc needs to have
the calling convention changed from

      KRB5_CALLCONV

    to

      KRB5_CALLCONV_C