Lots of early Harbourmaster fails

Simon

In file included from includes/Stg.h:213:0,

from includes/Rts.h:30,

from includes/dist-derivedconstants/header/tmp.c:13:

includes/stg/Types.h:31:2: error: #import is a deprecated GCC extension [-Werror=deprecated]

#import <inttypes.h>

cc1: all warnings being treated as errors

Executing "gcc" failed