[exim] exim on ia64

Hello all

For infos :

On ia64 I have all days, in my logwatch :

--------------------- Kernel Begin ------------------------

 WARNING:  Unaligned Errors in these executables
    exim4 :  10 Time(s)

 WARNING:  Floating-Point Assists in these executables
    spamd :  1376 Time(s)

---------------------- Kernel End -------------------------

Guy