- [m_cocoaNSColor release];
- m_cocoaNSColor = [[NSColor colorWithCalibratedRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a/255.0] retain];
+ wxGCSafeRelease(m_cocoaNSColor);
+ m_cocoaNSColor = wxGCSafeRetain([NSColor colorWithCalibratedRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a/255.0]);