Travis CI build status ?branch=master

Author: SRombauts

README.md

@@ -3,7 +3,7 @@ SQLiteC++
 
 [![release](https://img.shields.io/github/release/SRombauts/SQLiteCpp.svg)](https://github.com/SRombauts/SQLiteCpp/releases)
 [![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/SRombauts/SQLiteCpp/blob/master/LICENSE.txt)
-[![Travis CI Linux Build Status](https://travis-ci.org/SRombauts/SQLiteCpp.svg)](https://travis-ci.org/SRombauts/SQLiteCpp "Travis CI Linux Build Status")
+[![Travis CI Linux Build Status](https://travis-ci.org/SRombauts/SQLiteCpp.svg?branch=master)](https://travis-ci.org/SRombauts/SQLiteCpp "Travis CI Linux Build Status")
 [![AppVeyor Windows Build status](https://ci.appveyor.com/api/projects/status/github/SRombauts/SQLiteCpp?svg=true)](https://ci.appveyor.com/project/SbastienRombauts/SQLiteCpp "AppVeyor Windows Build status")
 [![GitHub Actions Build status](https://github.com/SRombauts/SQLiteCpp/workflows/build/badge.svg)](https://github.com/SRombauts/SQLiteCpp/actions "GitHhub Actions Build status")
 [![Coveralls](https://img.shields.io/coveralls/SRombauts/SQLiteCpp.svg)](https://coveralls.io/github/SRombauts/SQLiteCpp "Coveralls test coverage")