SERVER-2184 clarify usage of mongo mutex

1 files changed, 1 insertions, 1 deletions

diff --git a/s/cursors.h b/s/cursors.h
index 53c5b647557..4e3db8cc239 100644
--- a/s/cursors.h
+++ b/s/cursors.h
@@ -89,7 +89,7 @@ namespace mongo {
         void doTimeouts();
         void startTimeoutThread();
     private:
-        mutex _mutex;
+        mongo::mutex _mutex;
 
         MapSharded _cursors;
         MapNormal _refs;