mount.ceph: build without "using namespace std"

* add "std::" prefix in headers
* add "using" declarations in .cc files.

so we don't rely on "using namespace std" in one or more included
headers.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/mount/conf.cc b/src/mount/conf.cc
index 104969eefbf39830c7c58f379b44cafd2ef71e10..2eae2b04c168006d818a37dabd22e3ae0737ad1d 100644 (file)
--- a/src/mount/conf.cc
+++ b/src/mount/conf.cc
@@ -17,6 +17,7 @@
 
 #include "mount.ceph.h"
 
+using namespace std;
 
 extern "C" void mount_ceph_get_config_info(const char *config_file,
                                           const char *name,