Change if/else to case statement

Author: HD Moore

modules/auxiliary/server/browser_autopwn.rb

@@ -831,15 +831,13 @@ def build_script_response(cli, request)
   # Example: :os_name => ( 'Windows' | /Windows/ | ['Windows', 'Mac OS X'] )
   #
   def client_matches_module_spec?(client_str, module_spec)
-    if module_spec.kind_of?(::String)
-      return !! (client_str == module_spec)
-    end 
 
-    if module_spec.kind_of?(::Regexp)
+    case module_spec
+    when kind_of? ::String
+      return !! (client_str == module_spec)
+    when kind_of? ::Regexp
       return !! client_str.match(module_spec)
-    end
-
-    if module_spec.kind_of?(::Array)
+    when kind_of? ::Array
       return !! exploit_spec.map{ |spec|
         client_matches_module_spec?(client_str, spec) 
       }.include?(true)