Added mp4 format option for Xorg

Author: mhsabbagh

green-recorder

@@ -384,6 +384,7 @@ filename.set_placeholder_text(_("File Name.."))
 command.set_placeholder_text(_("Enter your command here.."))
 formatchooser.append("mkv", _("MKV (Matroska multimedia container format)"))
 formatchooser.append("avi", _("AVI (Audio Video Interleaved)"))
+formatchooser.append("mp4", _("MP4 (MPEG-4 Part 14)"))
 formatchooser.append("wmv", _("WMV (Windows Media Video)"))
 formatchooser.append("gif", _("GIF (Graphics Interchange Format)"))
 formatchooser.append("nut", _("NUT (NUT Recording Format)"))