[SCM] Samba Shared Repository - branch master updated

[tridge at samba.org]

Hi Volker,

 > Given a recent bug I had to fix because I was not aware
 > SSVAL is a macro (I used val++ in the argument), I have to
 > agree with Jeremy that macros should be as ugly to read as
 > possible.

that only applies when the macro uses one of its arguments more than
once.

Lot's of normal C library calls are in fact macros on some
platforms. glibc uses them a lot.

Cheers, Tridge