Added newline after Throw statements.

Author: dlemstra

src/Magick.NET/MagickImage.cs

@@ -1131,6 +1131,7 @@ public void AdaptiveThreshold(int width, int height, double bias, Channels chann
     {
         Throw.IfNegative(nameof(width), width);
         Throw.IfNegative(nameof(height), height);
+
         _nativeInstance.AdaptiveThreshold(width, height, bias, channels);
     }