style fix: remove trailing spaces
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 977de46..6532f28 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2323,7 +2323,7 @@
         sc.variables = n;
         sc.complete_lengths = 1;
         sc.complete_values = 1;
-        
+
         if (ngx_http_script_compile(&sc) != NGX_OK) {
             return NGX_CONF_ERROR;
         }