fix request counter for rewrite or internal redirection cycle,
the bug was introduced in r3050

src/http/ngx_http_core_module.c

diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index f99b910..3abb0ed 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -994,6 +994,7 @@
                       "rewrite or internal redirection cycle "
                       "while processing \"%V\"", &r->uri);
 
+        r->main->count++;
         ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
         return NGX_OK;
     }
@@ -2172,6 +2173,7 @@
                       "rewrite or internal redirection cycle "
                       "while internal redirect to \"%V\"", uri);
 
+        r->main->count++;
         ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
         return NGX_DONE;
     }