Fix typo (#407)

models/repo.go

@@ -510,7 +510,7 @@ func (repo *Repository) DescriptionHTML() template.HTML {
 
 // LocalCopyPath returns the local repository copy path
 func (repo *Repository) LocalCopyPath() string {
-	return path.Join(setting.AppDataPath, "tmp/local-rpeo", com.ToStr(repo.ID))
+	return path.Join(setting.AppDataPath, "tmp/local-repo", com.ToStr(repo.ID))
 }
 
 // UpdateLocalCopyBranch pulls latest changes of given branch from repoPath to localPath.