Addresses #123

DB->pget uses dbc->c_pget, but needs to convert DB_KEYEMPTY to DB_NOTFOUND.

git-svn-id: file:///svn/tokudb@974 c7de825b-a66e-492c-adef-691d508d4ae1

src/ydb.c

@@ -896,6 +896,7 @@ static int toku_db_pget (DB *db, DB_TXN *txn, DBT *key, DBT *pkey, DBT *data, u_
     r = db->cursor(db, txn, &dbc, 0);
     if (r!=0) return r;
     r = dbc->c_pget(dbc, key, pkey, data, DB_SET);
+    if (r==DB_KEYEMPTY) r = DB_NOTFOUND;
     r2 = dbc->c_close(dbc);
     if (r!=0) return r;
     return r2;