Declare utime().
diff --git a/src/dnsmasq.h b/src/dnsmasq.h
index e4035db..cf1a782 100644
--- a/src/dnsmasq.h
+++ b/src/dnsmasq.h
@@ -117,6 +117,7 @@
 #include <sys/uio.h>
 #include <syslog.h>
 #include <dirent.h>
+#include <utime.h>
 #ifndef HAVE_LINUX_NETWORK
 #  include <net/if_dl.h>
 #endif