Replace deprecated isa with object_set class

jigish / slate

A window management application (replacement for Divvy/SizeUp/ShiftIt)

GNU General Public License v3.0

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Open yn5 opened 7 years ago

yn5 commented 7 years ago

I was not able to build Slate without these changes (suggested by Xcode).

macOS 10.12.3 Xcode 8.2.1