X error with siag 3.3.0

[FriederH@t-online.de]

Hello,

I just compiled siag 3.3.0, but almost any application does not start, 
fault message is:

X Error of failed request: BadMatch (Invalid parameter attributes)
   Major opcode of failed request: 55 (X_CreateGC)
   Serial number of failed reauest: 799
   Current serial number in output stream: 800

Any idea ??

Another point is that on my system pid_t is declared in sys/types.h 
(includes gnu/types.h) and not in uistd.h which is included in 
common/common.h.

Frieder