Revert "Merge pull request #208 from mattrose/update-vte-spawn"

This reverts commit f5cbdce5fc, reversing
changes made to e1476a2ef2.

terminatorlib/terminal.py

@@ -1489,17 +1489,13 @@ class Terminal(Gtk.VBox):
 
         dbg('Forking shell: "%s" with args: %s' % (shell, args))
         args.insert(0, shell)
-        self.pid = self.vte.spawn_async(
-            Vte.PtyFlags.DEFAULT,
+        result,  self.pid = self.vte.spawn_sync(Vte.PtyFlags.DEFAULT,
                                        self.cwd,
                                        args,
                                        envv,
                                        GLib.SpawnFlags.FILE_AND_ARGV_ZERO | GLib.SpawnFlags.DO_NOT_REAP_CHILD,
                                        None,
                                        None,
-            -1,
-            None,
-            None,
                                        None)
         self.command = shell