Marcel Taeumel uploaded a new version of FFI-Kernel to project FFI:
http://source.squeak.org/FFI/FFI-Kernel-mt.95.mcz

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

Name: FFI-Kernel-mt.95
Author: mt
Time: 4 June 2020, 8:11:35.218031 pm
UUID: 2f408b53-dfca-3441-8577-e17174eacf91
Ancestors: FFI-Kernel-mt.94

Wow. FFI found its way into many other packages already. This fix is for MCMethodDefinition >> #postLoad. ;-)

=============== Diff against FFI-Kernel-mt.94 ===============

Item was changed:
  ----- Method: ExternalStructure class>>compileFields (in category 'field definition') -----
  compileFields
  	"Compile the field definition of the receiver.
  	Return the newly compiled spec."
+ 	self isSkipped ifTrue: [^ self].
  	^self compileFields: self fields!