Rename key.h to key-locator.h. Refs #1089.
diff --git a/src/key.cpp b/src/key.cpp
index 0cf59ed..24501ff 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -7,7 +7,7 @@
 
 #include <ndn-cpp/common.hpp>
 #include <ndn-cpp/key.hpp>
-#include "c/key.h"
+#include "c/key-locator.h"
 
 using namespace std;