[#3605] Add missing headers used for fuzzing

Author: andrei-pavel

src/bin/dhcp4/dhcp4_srv.cc

@@ -82,6 +82,7 @@
 #include <hooks/hooks_manager.h>
 #include <hooks/parking_lots.h>
 #include <hooks/server_hooks.h>
+#include <log/interprocess/interprocess_sync_file.h>
 #include <log/log_dbglevels.h>
 #include <log/log_formatter.h>
 #include <log/logger.h>

src/bin/dhcp6/dhcp6_srv.cc

@@ -79,6 +79,7 @@
 #include <hooks/hooks_manager.h>
 #include <hooks/parking_lots.h>
 #include <hooks/server_hooks.h>
+#include <log/interprocess/interprocess_sync_file.h>
 #include <log/log_dbglevels.h>
 #include <log/log_formatter.h>
 #include <log/logger.h>