fix building --without-http-cache, broken in r2930
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index f0aadb4..f2d939e 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2343,7 +2343,10 @@
}
if (conf->headers_set_hash.buckets
- && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL)))
+#if (NGX_HTTP_CACHE)
+ && ((conf->upstream.cache == NULL) == (prev->upstream.cache == NULL))
+#endif
+ )
{
return NGX_OK;
}