name-component: rename fromEscapedString() to fromUri()

Consistent with toUri()

Change-Id: Ia8ca75be9068b06840e2847f0128ffc7a4cd57af
diff --git a/tools/ndnsec/sign-req.cpp b/tools/ndnsec/sign-req.cpp
index ca53819..2023ce9 100644
--- a/tools/ndnsec/sign-req.cpp
+++ b/tools/ndnsec/sign-req.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2023 Regents of the University of California.
+ * Copyright (c) 2013-2024 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -83,7 +83,7 @@
 
   // Create signing request (similar to self-signed certificate)
   security::MakeCertificateOptions opts;
-  opts.issuerId = name::Component::fromEscapedString("cert-request");
+  opts.issuerId = name::Component::fromUri("cert-request");
   opts.validity = security::ValidityPeriod::makeRelative(-1_s, 10_days);
   auto certificate = keyChain.makeCertificate(key, security::signingByKey(key), opts);