White space tweaking to match what's in Samba git.

(Samba git also needs some white space tweaking; this only changes the
cases where we're not obviously "better".)

Change-Id: Iafb9cf8fea67b898b12850a7793806e3fccb39ac
Reviewed-on: https://code.wireshark.org/review/5403
Reviewed-by: Guy Harris <guy@alum.mit.edu>