Add a missing optional include

Fix the build with GCC 11.3.0
2022-07-01 09:46:31 +02:00
parent 7299ad523b
commit 060bfe5084
1 changed files with 1 additions and 0 deletions
--- a/src/nix-find-roots/lib/find-roots.cc
+++ b/src/nix-find-roots/lib/find-roots.cc
@@ -12,6 +12,7 @@
 #include <vector>
 #include <algorithm>
 #include <fstream>
+#include <optional>

 #include "find-roots.hh"