fixing compilation problems

[kulpaj]

listed below -because lack of '\0' in header, changing strncpy to memcpy -changing size of format buffer to fit the format string -suggestion to use memset rather tha for loop to fill buffer with space ' ' -very nasty workaround to -Werror=address-of-packed-member for struct hashpipe_ibv_flow attr. I don't like that approach. Maybe just forcing to ignore address-of-packed-member is better, as attr is the first attribute and it will be aligned