Fix msftidy's vars_get check for omitted parens

Hat tip @bcoles.

Author: wvu

tools/dev/msftidy.rb

@@ -618,7 +618,7 @@ def check_vuln_codes
   end
 
   def check_vars_get
-    test = @source.scan(/send_request_cgi\s*\(\s*\{?\s*['"]uri['"]\s*=>\s*[^=})]*?\?[^,})]+/im)
+    test = @source.scan(/send_request_cgi\s*\(?\s*\{?\s*['"]uri['"]\s*=>\s*[^=})]*?\?[^,})]+/im)
     unless test.empty?
       test.each { |item|
         info("Please use vars_get in send_request_cgi: #{item}")