Update phpmailer_arg_injection.rb

Changed new advanced option to camel case

Author: erikbomb

modules/exploits/multi/http/phpmailer_arg_injection.rb

@@ -60,7 +60,7 @@ def initialize(info = {})
       ])
     register_advanced_options(
       [
-        OptInt.new('WAIT_TIMEOUT', [true, 'Seconds to wait to trigger the payload', 300])
+        OptInt.new('WaitTimeout', [true, 'Seconds to wait to trigger the payload', 300])
       ])
   end
 
@@ -69,7 +69,7 @@ def trigger(trigger_uri)
 
     page_found = false
     sleep_time = 10
-    wait_time = datastore['WAIT_TIMEOUT']
+    wait_time = datastore['WaitTimeout']
     print_status("Waiting for up to #{wait_time} seconds to trigger the payload")
     while wait_time > 0
       sleep(sleep_time)