Resolved an indentation issue of {{^.

Contents in {{^ was not indent properly.
This patch solves that.

Before
------

<pre>
{{#repo}}
  {{name}}
{{/repo}}
{{^repo}}
No repos :(
{{/repo}}
</pre>

After
-----

<pre>
{{#repo}}
  {{name}}
{{/repo}}
{{^repo}}
  No repos :(
{{/repo}}
</pre>