Rename key.hpp to key-locator.hpp. Refs #1089.
diff --git a/include/ndn-cpp/sha256-with-rsa-signature.hpp b/include/ndn-cpp/sha256-with-rsa-signature.hpp
index ceb5c5b..d2e5374 100644
--- a/include/ndn-cpp/sha256-with-rsa-signature.hpp
+++ b/include/ndn-cpp/sha256-with-rsa-signature.hpp
@@ -9,7 +9,7 @@
 #define NDN_SHA256_WITH_RSA_SIGNATURE_HPP
 
 #include "data.hpp"
-#include "key.hpp"
+#include "key-locator.hpp"
 #include "publisher-public-key-digest.hpp"
 
 namespace ndn {