[#1308] Added cstring include

diff --git a/src/lib/util/signal_set.cc b/src/lib/util/signal_set.cc
index 544d1d3fa300c88c5e1ddd3ea09c7fe888adb7fd..c5f554a14764dd1ffcb96330b750ba248d926944 100644 (file)
--- a/src/lib/util/signal_set.cc
+++ b/src/lib/util/signal_set.cc
@@ -10,6 +10,7 @@
 
 #include <array>
 #include <cerrno>
+#include <cstring>
 #include <list>
 
 using namespace isc;