Rename key.hpp to key-locator.hpp. Refs #1089.
diff --git a/Makefile.in b/Makefile.in
index 49d2d4b..533be0e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -595,7 +595,7 @@
   include/ndn-cpp/forwarding-entry.hpp \
   include/ndn-cpp/forwarding-flags.hpp \
   include/ndn-cpp/interest.hpp \
-  include/ndn-cpp/key.hpp \
+  include/ndn-cpp/key-locator.hpp \
   include/ndn-cpp/name.hpp \
   include/ndn-cpp/node.hpp \
   include/ndn-cpp/publisher-public-key-digest.hpp \