Added label to skip content checksum on debugging.

DiscImageChef.Core/Sidecar/BlockMedia.cs

@@ -197,6 +197,9 @@ namespace DiscImageChef.Core
             {
                 Checksum contentChkWorker = new Checksum();
 
+                // For fast debugging, skip checksum
+                //goto skipImageChecksum;
+
                 uint sectorsToRead = 512;
                 ulong sectors = image.GetSectors();
                 ulong doneSectors = 0;
@@ -222,6 +225,9 @@ namespace DiscImageChef.Core
                     contentChkWorker.Update(sector);
                 }
 
+                // For fast debugging, skip checksum
+                //skipImageChecksum:
+
                 List<ChecksumType> cntChecksums = contentChkWorker.End();
 
                 sidecar.BlockMedia[0].ContentChecksums = cntChecksums.ToArray();