syntax error in 2.3.2

[eheydrick]

Introduced in #42. Fix incoming.

Chef::Mixin::Template::TemplateError
    ------------------------------------
    (erubis):73: syntax error, unexpected '~', expecting keyword_then or ';' or '\n'
    ...; if node['platform_version'] ~= /^6/
    ...                              ^
    (erubis):76: syntax error, unexpected keyword_else, expecting '}'
    '; else
       ^~~~
    (erubis):79: syntax error, unexpected keyword_end, expecting end-of-input
    '; end
       ^~~

[eheydrick]

Actually fix in #43.