Update CGImage+vImage.swift

Author: stuartjmoore

swift/StableDiffusion/pipeline/CGImage+vImage.swift

@@ -58,7 +58,7 @@ extension CGImage {
         let cgImage = uint8Image.makeCGImage(cgImageFormat:
                 .init(bitsPerComponent: 8,
                       bitsPerPixel: 3*8,
-                      colorSpace: CGColorSpace(name: CGColorSpace.sRGB),
+                      colorSpace: CGColorSpace(name: CGColorSpace.sRGB) ?? CGColorSpaceCreateDeviceRGB(),
                       bitmapInfo: bitmapInfo)!)!
 
         return cgImage