Merge pull request #331 from pmiossec/crash_clone_whole_repository

Correct crash when clone the whole repository

GitTfs/Commands/Clone.cs

@@ -114,6 +114,7 @@ private void VerifyTfsPathToClone(string tfsRepositoryPath)
                     if (withBranches)
                         throw new GitTfsException("error: cloning the whole repository or too high in the repository path doesn't permit to manage branches!\n" + cloneMsg);
                     stdout.WriteLine("warning: you are going to clone the whole repository or too high in the repository path !\n" + cloneMsg);
+                    return;
                 }
 
                 var tfsBranchesPath = tfsTrunkRepository.GetAllChildren();