- added include

diff --git a/snapper/BtrfsUtils.cc b/snapper/BtrfsUtils.cc
index ce4c9e8eb0e7963ff0589bfcee770ff85f0787f3..1d3f6c1ed492aa4a4dfa7a19514ec8a44ebbdbcc 100644 (file)
--- a/snapper/BtrfsUtils.cc
+++ b/snapper/BtrfsUtils.cc
@@ -36,6 +36,7 @@
 #include <btrfs/send-utils.h>
 #endif
 #include <algorithm>
+#include <functional>
 
 #include "snapper/Log.h"
 #include "snapper/AppUtil.h"