make: Change configure to output ndn-cpp/ndn-cpp-config.h instead of config.h
diff --git a/ndn-cpp/c/common.h b/ndn-cpp/c/common.h
index 3f27199..72af018 100644
--- a/ndn-cpp/c/common.h
+++ b/ndn-cpp/c/common.h
@@ -7,7 +7,7 @@
 #ifndef NDN_COMMON_H
 #define	NDN_COMMON_H
 
-#include "../../config.h"
+#include "../ndn-cpp-config.h"
 #include <stdint.h>
 #include <stddef.h>