build: suppress CryptoPP warnings

Change-Id: I52e93fb18c42cf72d73c4477dc4a8093a5221215
diff --git a/src/security/sec-tpm-memory.cpp b/src/security/sec-tpm-memory.cpp
index 5ca9673..6e4a371 100644
--- a/src/security/sec-tpm-memory.cpp
+++ b/src/security/sec-tpm-memory.cpp
@@ -13,7 +13,7 @@
 #include <openssl/ssl.h>
 #include <openssl/sha.h>
 #include <openssl/rsa.h>
-#include <cryptopp/osrng.h>
+#include "cryptopp.hpp"
 
 using namespace std;