backupable_db_test.cc: pass const string param by reference

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
10 years ago · 9d6f380866
parent 8ff0b40955
commit 9d6f380866
1 changed files with 1 additions and 1 deletions
--- a/utilities/backupable/backupable_db_test.cc
+++ b/utilities/backupable/backupable_db_test.cc
@ -228,7 +228,7 @@ class FileManager : public EnvWrapper {
 public:
  explicit FileManager(Env* t) : EnvWrapper(t), rnd_(5) {}
-  Status DeleteRandomFileInDir(const std::string dir) {
+  Status DeleteRandomFileInDir(const std::string& dir) {
    std::vector<std::string> children;
    GetChildren(dir, &children);
    if (children.size() <= 2) { // . and ..