<p>In <a href="https://github.com/mlpack/mlpack/pull/567#discussion_r55999050">src/mlpack/core/util/timers.hpp</a>:</p>
<pre style='color:#555'>&gt;    #if !defined(HAVE_UINT64_T)
&gt; -    #if SIZEOF_UNSIGNED_LONG == 8
&gt; -      typedef unsigned long uint64_t;
&gt; -    #else
&gt; -      typedef unsigned long long  uint64_t;
&gt; -    #endif  // SIZEOF_UNSIGNED_LONG
&gt; +   #if SIZEOF_UNSIGNED_LONG == 8
&gt; +     typedef unsigned long uint64_t;
&gt; +   #else
&gt; +     typedef unsigned long long  uint64_t;
&gt; +   #endif  // SIZEOF_UNSIGNED_LONG
</pre>
<p>Looks like the spacing got a bit messed up here.</p>

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