title: Visual Studio Git Flow extension create hotfix failing
body: <p>I'm using Visual Studio 2017 Professional with the GitFlow extension found <a href="https://marketplace.visualstudio.com/items?itemName=vs-publisher-57624.GitFlowforVisualStudio2017" rel="nofollow noreferrer">here</a>. It was working perfectly fine last week, but it has now decided to play up.</p>
  
  <p>When I try to create a hotfix (or feature), it just stops, doesn't create the branch and returns to it's normal window state. I've check the output, and all I get is:</p>
  
  <pre><code>Running git flow hotfix start "fix-new-starter"
  </code></pre>
  
  <p>After some investigation, I ran the command <code>git flow hotfix start "my-fix"</code> from the Git terminal, and I'm now getting the following error:</p>
  
  <pre><code>$ git flow hotfix start
  C:\Program Files\Git\usr\bin\git-flow: line 115: /gitflow-shFlags: No such file or directory
  </code></pre>
  
  <p>I can confirm that the <code>gitflow-shFlags</code> file exists on my machine, but it doesn't seem to think it does. Things I've tried:</p>
  
  <ul>
  <li>Rebooted my machine.</li>
  <li>Reinstalled Git Flow Extension.</li>
  <li>Reinstalled Git for Windows.</li>
  <li>Restarted Visual Studio again.</li>
  </ul>
  
  <p>I cannot seem to get it to work. Does anyone have a suggestion on how to fix my Git?</p>