FFI: FFI-Kernel-mt.180.mcz

Marcel Taeumel uploaded a new version of FFI-Kernel to project FFI:
http://source.squeak.org/FFI/FFI-Kernel-mt.180.mcz

==================== Summary ====================

Name: FFI-Kernel-mt.180
Author: mt
Time: 28 May 2021, 4:51:31.579735 pm
UUID: 62c92222-8259-4c75-8071-df970bef7363
Ancestors: FFI-Kernel-mt.179

Small bugfix.

=============== Diff against FFI-Kernel-mt.179 ===============

Item was changed:
  ----- Method: ExternalStructure>>writer (in category 'accessing') -----
  writer
 
+ ^ (handle isExternalAddress or: [self isNull])
- ^ handle isExternalAddress
  ifTrue: [self]
  ifFalse: [self class fromHandle: (ByteArrayReadWriter on: handle)]!