Use uint32_t and int32_t for SSL_CIPHER structure.

Reviewed-by: Andy Polyakov <appro@openssl.org>
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
index 2db0d74..b31eae1 100644
--- a/ssl/t1_lib.c
+++ b/ssl/t1_lib.c
@@ -3310,7 +3310,7 @@
  * disabled.
  */
 
-void ssl_set_sig_mask(unsigned long *pmask_a, SSL *s, int op)
+void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op)
 {
     const unsigned char *sigalgs;
     size_t i, sigalgslen;