Removes warnings for unused parameters
diff --git a/tests/fuzz/fuzz_dtlsserver.c b/tests/fuzz/fuzz_dtlsserver.c
index 6e59a85..6f31bfb 100644
--- a/tests/fuzz/fuzz_dtlsserver.c
+++ b/tests/fuzz/fuzz_dtlsserver.c
@@ -80,6 +80,7 @@
 static int dummy_entropy( void *data, unsigned char *output, size_t len )
 {
     size_t i;
+    (void) data;
 
     //use mbedtls_entropy_func to find bugs in it
     //test performance impact of entropy