RT3962: Check accept_count only if not unlimited

Reviewed-by: Matt Caswell <matt@openssl.org>
diff --git a/apps/ocsp.c b/apps/ocsp.c
index b6397b8..44f5841 100644
--- a/apps/ocsp.c
+++ b/apps/ocsp.c
@@ -666,7 +666,8 @@
 
     /* If running as responder don't verify our own response */
     if (cbio) {
-        if (--accept_count <= 0) {
+        /* If not unlimited, see if we took all we should. */
+        if (accept_count != -1 && --accept_count <= 0) {
             ret = 0;
             goto end;
         }