remove exif data after rotation, otherwise it could get rotated agan by the browser

Author: flack

lib/midcom/helper/imagefilter.php

@@ -337,7 +337,7 @@ public function exifrotate()
             ];
 
             $tmpfile = $this->_get_tempfile();
-            $cmd = midcom::get()->config->get('utility_jpegtran') . " -outfile {$tmpfile} -copy all";
+            $cmd = midcom::get()->config->get('utility_jpegtran') . " -outfile {$tmpfile} -copy icc";
         } else {
             /* Mogrify */
             debug_add("jpegtran not found, falling back to mogrify.");