Merge pull request bcit-ci#3041 from egig/develop

Prepare image url.

Author: narfbg

system/helpers/captcha_helper.php

@@ -215,6 +215,7 @@ function create_captcha($data = '', $img_path = '', $img_url = '', $font_path =
 		// -----------------------------------
 		//  Generate the image
 		// -----------------------------------
+		$img_url = rtrim($img_url, '/').'/';
 		$img_filename = $now.'.jpg';
 		ImageJPEG($im, $img_path.$img_filename);
 		$img = '<img src="'.$img_url.$img_filename.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt=" " />';