title: find.exe": missing argument to `-exec'
body: <p>I use Windoes 7; Windows PowerShell; posh~git.</p>
  
  <pre><code>find . -type f -name '*.php' -exec c:/unix2dos/bin/unix2dos '{}' +. \;
  
  E:\TESSnip_Git\tesvsnip [tag-v4.3.0 +4 ~0 -0 | +0 ~308 -0]&gt; find . -type f -name
   '*.php' -exec c:/unix2dos/bin/unix2dos '{}' +. \;
  "C:/Users/DanoPDX/AppData/Local/GitHub/PortableGit_054f2e797ebafd44a30203088cd3d
  58663c627ef/bin/find.exe": missing argument to `-exec'
  E:\TESSnip_Git\tesvsnip [tag-v4.3.0 +4 ~0 -0 | +0 ~308 -0]&gt;
  </code></pre>
  
  <p>That line does not work for Windows 7 and returns the error.  Also if I have 'unix2dos' in my path why can't I use it without specifying the exact path to it?</p>