hello: Update cls_hello.cc to work without using namespace

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>

diff --git a/src/cls/hello/cls_hello.cc b/src/cls/hello/cls_hello.cc
index accca89843e621331c51dec6a872f8c36320cdd1..eaa2df175eab8382a0db10f2c1b19971682aaf6d 100644 (file)
--- a/src/cls/hello/cls_hello.cc
+++ b/src/cls/hello/cls_hello.cc
@@ -32,10 +32,13 @@
 #include <algorithm>
 #include <string>
 #include <sstream>
-#include <errno.h>
+#include <cerrno>
 
 #include "objclass/objclass.h"
 
+using ceph::bufferlist;
+using std::string;
+
 CLS_VER(1,0)
 CLS_NAME(hello)