Rename key.hpp to key-locator.hpp. Refs #1089.
diff --git a/Makefile.am b/Makefile.am
index a124878..99309c6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,7 +37,7 @@
   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 \