always align both the parameter and data bytes on a 4 byte boundary in

always align both the parameter and data bytes on a 4 byte boundary in
trans2 responses.
I'm not at all convinced this was causing problems, because
observations of Win95 show that it produces totally non-aligned
paramater bytes and 2 byte aligned data bytes. We were previously
always producing 2 byte aligned data and parameter bytes so we already
had "better" alignment than Win95.
lets hope no clients rely on servers producing unaligned data or
parameters!