CDRIVER-366 compile errors on win64 and unix in C mode

Author: ajdavis

src/mongoc/mongoc-socket.c

@@ -209,7 +209,7 @@ mongoc_socket_poll (mongoc_socket_poll_t *sds,          /* IN */
 #ifdef _WIN32
    pfds = (WSAPOLLFD *)bson_malloc(sizeof(*pfds) * nsds);
 #else
-   pfds = (pollfd *)bson_malloc(sizeof(*pfds) * nsds);
+   pfds = (struct pollfd *)bson_malloc(sizeof(*pfds) * nsds);
 #endif
 
    for (i = 0; i < nsds; i++) {

src/mongoc/mongoc-ssl.c

@@ -238,7 +238,8 @@ _mongoc_ssl_check_cert (SSL        *ssl,
 
    if (verify_status == X509_V_OK) {
       /* get's a stack of alt names that we can iterate through */
-      sans = (stack_st_GENERAL_NAME *)X509_get_ext_d2i ((X509 *)peer, NID_subject_alt_name, NULL, NULL);
+      sans = (STACK_OF (GENERAL_NAME) *) X509_get_ext_d2i (
+         (X509 *)peer, NID_subject_alt_name, NULL, NULL);
 
       if (sans) {
          n_sans = sk_GENERAL_NAME_num (sans);