Quick fix for a problem in (NSObject set:).
Quick fix for a problem in (NSObject set:).

The Objective-C conversion of set: was not correctly handling selectors.

gcbeyond/nu,jsyedidia/nu,hodgeswt/nu,timburks/nu,heiko-henrich/nutor,jqk6/nu,heiko-henrich/nutor,gcbeyond/nu,spotify/nu,nulang/nu,timburks/nu,nulang/nu,spotify/nu,nulang/nu,jqk6/nu,spotify/nu,jqk6/nu,jsyedidia/nu,gcbeyond/nu,hodgeswt/nu,alloy/nu,jqk6/nu,jsyedidia/nu,hodgeswt/nu,hodgeswt/nu,spotify/nu,heiko-henrich/nutor,heiko-henrich/nutor,timburks/nu,gcbeyond/nu,jsyedidia/nu,jsyedidia/nu,alloy/nu