title: Can clang format add braces to single line if statements etc
body: <p>Is there an option for clang-format to add braces to all if()/do/while statements etc?</p>
  
  <p>eg</p>
  
  <pre><code>if( i == 42 )
     std::cout &lt;&lt; "You found the meaning of life\n";
  else
     std::cout &lt;&lt; "Wrong!\n";
  </code></pre>
  
  <p>to</p>
  
  <pre><code>if( i == 42 )
  {
     std::cout &lt;&lt; "You found the meaning of life\n";
  }
  else
  {
     std::cout &lt;&lt; "Wrong!\n";
  }
  </code></pre>
  
  <p>Using</p>
  
  <pre><code>$ clang-format --version
  clang-format version 3.6.0
  </code></pre>