Build fix for Windows

diff --git a/lib/config/configwriter.hpp b/lib/config/configwriter.hpp
index e27af011c0e25b06597145ded90c572175f202af..5eea742f694357e7ffed4fc960110154878d3d80 100644 (file)
--- a/lib/config/configwriter.hpp
+++ b/lib/config/configwriter.hpp
@@ -25,6 +25,7 @@
 #include "base/array.hpp"
 #include "base/dictionary.hpp"
 #include <fstream>
+#include <set>
 
 namespace icinga
 {