Avoid 'warning: comparison between signed and unsigned'.

lib/ssluse.c

@@ -555,7 +555,7 @@ int cert_stuff(struct connectdata *conn,
 }
 
 /* returns non-zero on failure */
-static int x509_name_oneline(X509_NAME *a, char *buf, int size)
+static int x509_name_oneline(X509_NAME *a, char *buf, size_t size)
 {
 #if 0
   return X509_NAME_oneline(a, buf, size);
@@ -1744,7 +1744,8 @@ static int X509V3_ext(struct SessionHandle *data,
                       int certnum,
                       STACK_OF(X509_EXTENSION) *exts)
 {
-  int i, j;
+  int i;
+  size_t j;
 
   if(sk_X509_EXTENSION_num(exts) <= 0)
     /* no extensions, bail out */