- fixed buggy assignment statements (== replaced by =)

SKIPPED:
	psi/itcdriv.c
	psi/lmd200.c
	psi/lsc370driv.c
	psi/lscsupport.c
	psi/pardef.c

tasdrive.c

@@ -703,7 +703,7 @@ static void KillTasMot(void *pData)
 
   if (self->pDes != NULL) {
     DeleteDescriptor(self->pDes);
-    self->pDes == NULL;
+    self->pDes = NULL;
   }
   if (self->pDriv != NULL) {
     free(self->pDriv);