[ci skip] Merge pull request bcit-ci#5652 from Khuthaily/patch-1

Add px to width and height inline style output of create_captcha()

Author: narfbg

system/helpers/captcha_helper.php

@@ -352,7 +352,7 @@ function create_captcha($data = '', $img_path = '', $img_url = '', $font_path =
 			$img_src = 'data:image/png;base64,'.base64_encode($img_src);
 		}
 
-		$img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'; height: '.$img_height .'; border: 0;" alt="'.$img_alt.'" />';
+		$img = '<img '.($img_id === '' ? '' : 'id="'.$img_id.'"').' src="'.$img_src.'" style="width: '.$img_width.'px; height: '.$img_height .'px; border: 0;" alt="'.$img_alt.'" />';
 		ImageDestroy($im);
 
 		return array('word' => $word, 'time' => $now, 'image' => $img, 'filename' => $img_filename);