[Cocoa] Replace deprecated OSAtomicIncrement32/OSAtomicDecrement32 in callback.c#3213

HannesWell merged 1 commit intoeclipse-platform:mastereclipse-platform/eclipse.platform.swt:masterfrom

HannesWell:copilot/fix-deprecation-warnings-osatomicincrement32HannesWell/eclipse.platform.swt:copilot/fix-deprecation-warnings-osatomicincrement32Copy head branch name to clipboard