[BUILD] fix build on FreeBSD (missing fd_set declaration)
Sorin Pop reported a patch to fix build on FreeBSD.
The file common/standard.h used an fd_set in a declaration
but did not include enough headers for it to be known.
diff --git a/include/common/standard.h b/include/common/standard.h
index fa9ed17..ec5e755 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -24,6 +24,7 @@
#include <netinet/in.h>
#include <common/config.h>
+#include <proto/fd.h>
/****** string-specific macros and functions ******/
/* if a > max, then bound <a> to <max>. The macro returns the new <a> */