Remove duplicate #include

diff --git a/pdns/utility.hh b/pdns/utility.hh
index 7429a10e16de292fba07073a1e6ebeb504ede1af..860d580f930787424e4958ced2fcb7913d5ee210 100644 (file)
--- a/pdns/utility.hh
+++ b/pdns/utility.hh
@@ -37,7 +37,6 @@ typedef unsigned long long uint64_t;
 #include <csignal>
 #include <pthread.h>
 #include <semaphore.h>
-#include <csignal>
 #include <cerrno>
 #include <unistd.h>
 #include <string>