Auth basic: prevent null character in error log (ticket #1494).
diff --git a/src/http/modules/ngx_http_auth_basic_module.c b/src/http/modules/ngx_http_auth_basic_module.c
index 2f345b6..a6f9ec4 100644
--- a/src/http/modules/ngx_http_auth_basic_module.c
+++ b/src/http/modules/ngx_http_auth_basic_module.c
@@ -266,8 +266,8 @@
     }
 
     ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
-                  "user \"%V\" was not found in \"%V\"",
-                  &r->headers_in.user, &user_file);
+                  "user \"%V\" was not found in \"%s\"",
+                  &r->headers_in.user, user_file.data);
 
     return ngx_http_auth_basic_set_realm(r, &realm);
 }