1 files changed, 5 insertions, 0 deletions
diff --git a/src/mongo/db/commands/mr.h b/src/mongo/db/commands/mr.h
index f32924c4bf5..5c3a550cbfe 100644
--- a/src/mongo/db/commands/mr.h
+++ b/src/mongo/db/commands/mr.h
@@ -42,6 +42,9 @@
 
 namespace mongo {
 
+    class Collection;
+    class Database;
+
     namespace mr {
 
         typedef vector<BSONObj> BSONList;
@@ -324,6 +327,8 @@ namespace mongo {
             void switchMode(bool jsMode);
             void bailFromJS();
 
+            Collection* getCollectionOrUassert(Database* db, const StringData& ns);
+
             const Config& _config;
             DBDirectClient _db;
             bool _useIncremental;   // use an incremental collection