Fix a small memory leak of selector names when registering selectors with the same name but different types.
Fix a small memory leak of selector names when registering selectors with the
same name but different types.



gnustep/libobjc2,crystax/android-vendor-libobjc2,ngrewe/libobjc2,crystax/android-vendor-libobjc2,davidchisnall/libobjc2,darlinghq/darling-libobjc2,darlinghq/darling-libobjc2,davidchisnall/libobjc2,ngrewe/libobjc2,gnustep/libobjc2