Missing include.

diff --git a/src/lib/film.cc b/src/lib/film.cc
index 18e99247800ac40274d600849a982efffb69bb51..a8e05b751c267ea6eb3800a4829abdd674d49aaa 100644 (file)
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -56,6 +56,7 @@
 #include <fstream>
 #include <cstdlib>
 #include <iomanip>
+#include <set>
 
 #include "i18n.h"