Uninitialized variable

git-svn-id: file:///svn/toku/tokudb@16235 c7de825b-a66e-492c-adef-691d508d4ae1

src/tests/powerfail.c

@@ -88,7 +88,7 @@ static void scan(DB *db, DB_TXN *txn,
     memset(&val, 0, sizeof(val));
     key.flags = DB_DBT_MALLOC;
     val.flags = DB_DBT_MALLOC;
-    int n;
+    int n=0;
     while (0==(r = cursor->c_get(cursor, &key, &val, DB_NEXT))) {
 	reduce(&key, &val, extra);
 	n++;