knotserver: more logging in repo.blob

Signed-off-by: oppiliappan <[e-mail]>

knotserver/xrpc/repo_blob.go

···
 
 	contents, err := gr.RawContent(treePath)
 	if err != nil {
-		x.Logger.Error("file content", "error", err.Error())
+		x.Logger.Error("file content", "error", err.Error(), "treePath", treePath)
 		writeError(w, xrpcerr.NewXrpcError(
 			xrpcerr.WithTag("FileNotFound"),
 			xrpcerr.WithMessage("file not found at the specified path"),