FDS input: fix missing include of cstdlib header

Lukas955 · Lukas955 · commit e4515581bd1a · 2021-03-14T10:48:08.000+01:00
diff --git a/src/plugins/input/fds/Builder.hpp b/src/plugins/input/fds/Builder.hpp
@@ -8,6 +8,7 @@
 #ifndef FDS_BUILDER_HPP
 #define FDS_BUILDER_HPP
 
+#include <cstdlib>
 #include <memory>
 #include <libfds.h>
 
