curl tool: header inclusion adjustment

diff --git a/src/tool_sleep.c b/src/tool_sleep.c
index 1548d58..08db886 100644 (file)
--- a/src/tool_sleep.c
+++ b/src/tool_sleep.c
@@ -25,6 +25,10 @@
 #  include <sys/select.h>
 #endif
 
+#ifdef HAVE_SYS_SOCKET_H
+#  include <sys/socket.h>
+#endif
+
 #ifdef HAVE_SYS_POLL_H
 #  include <sys/poll.h>
 #elif defined(HAVE_POLL_H)