Specify argc and argv arguments to refcount_test:main.

(This is to keep MSVC happy.)

Change-Id: I8c410587d8ee0f0df33a5f87c6a6c9b5047f8abb

crypto/refcount_test.c

@@ -19,7 +19,7 @@
 #include <openssl/type_check.h>
 
 
-int main() {
+int main(int argc, char **argv) {
   CRYPTO_refcount_t count = 0;
 
   CRYPTO_refcount_inc(&count);