fix handling of bytes in trace generator

This tweaks the handling of bytes within the trace generator.  Whilst
these were being handled correctly, the mechanism was presenting a
problem for the new LtFileV2 format used within the tracer.

Author: DavePearce

pkg/cmd/generate/class.go

@@ -436,6 +436,8 @@ func generateJavaModuleColumnSetter[F any](className string, methodName string,
 	switch {
 	case bitwidth == 1:
 		i1Builder.WriteIndentedString(fieldName, ".write(val);\n")
+	case bitwidth <= 8:
+		i1Builder.WriteIndentedString(fieldName, ".write((byte) val);\n")
 	case bitwidth <= 63:
 		i1Builder.WriteIndentedString(fieldName, ".write(val);\n")
 	default:

pkg/cmd/generate/snippets.go

@@ -75,6 +75,7 @@ const javaColumn string = `
     */
    public interface Column {
       public void write(boolean value);
+      public void write(byte value);
       public void write(long value);
       public void write(byte[] value);
    }