[Minor] Add missing include

Issue: #4131

diff --git a/test/rspamd_rrd_test.c b/test/rspamd_rrd_test.c
index b402596057b8230dd90c1322755f5a16e8565481..06686422262a7541215785866dc3e0b86d91591f 100644 (file)
--- a/test/rspamd_rrd_test.c
+++ b/test/rspamd_rrd_test.c
@@ -18,6 +18,7 @@
 #include "rrd.h"
 #include "rspamd.h"
 #include "ottery.h"
+#include <unistd.h>
 
 const int rows_cnt = 20;
 const int pdp_per_cdp = 60;