rgw: fix radosgw-admin build error

Signed-off-by: cfanz <songxinyingftd@gmail.com>

diff --git a/src/rgw/rgw_admin.cc b/src/rgw/rgw_admin.cc
index 96ab3f8e56d4dfdaa0d5fb4e11d21cb164c3ae09..50627062b5cd8b958f51fd2a15fe59fcdaa817e0 100644 (file)
--- a/src/rgw/rgw_admin.cc
+++ b/src/rgw/rgw_admin.cc
@@ -8,7 +8,9 @@
 
 #include <boost/optional.hpp>
 
+extern "C" {
 #include <liboath/oath.h>
+}
 
 #include "auth/Crypto.h"
 #include "compressor/Compressor.h"