Update header names

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/programs/fuzz/fuzz_dtlsserver.c b/programs/fuzz/fuzz_dtlsserver.c
index 31eb514..98a7021 100644
--- a/programs/fuzz/fuzz_dtlsserver.c
+++ b/programs/fuzz/fuzz_dtlsserver.c
@@ -3,7 +3,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include "common.h"
+#include "fuzz_common.h"
 #include "mbedtls/ssl.h"
 #include "test/certs.h"
 #if defined(MBEDTLS_SSL_PROTO_DTLS)