! Missing global $sourcedir in createPost and modfyPost

Signed-off-by: Spuds <spuds@simplemachines.org>

Sources/Subs-Post.php

@@ -1751,7 +1751,7 @@ function sendNotifications($topics, $type, $exclude = array(), $members_only = a
  */
 function createPost(&$msgOptions, &$topicOptions, &$posterOptions)
 {
-	global $user_info, $txt, $modSettings, $smcFunc, $context;
+	global $user_info, $txt, $modSettings, $smcFunc, $context, $sourcedir;
 
 	// Set optional parameters to the default value.
 	$msgOptions['icon'] = empty($msgOptions['icon']) ? 'xx' : $msgOptions['icon'];
@@ -2400,7 +2400,7 @@ function attachmentChecks($attachID)
  */
 function modifyPost(&$msgOptions, &$topicOptions, &$posterOptions)
 {
-	global $user_info, $modSettings, $smcFunc, $context;
+	global $user_info, $modSettings, $smcFunc, $context, $sourcedir;
 
 	$topicOptions['poll'] = isset($topicOptions['poll']) ? (int) $topicOptions['poll'] : null;
 	$topicOptions['lock_mode'] = isset($topicOptions['lock_mode']) ? $topicOptions['lock_mode'] : null;