virt-manager: don't autostart other connection if --show-* was specified

Broken by commit a9bc56add3.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1377244

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>

virt-manager

@@ -263,6 +263,9 @@ def main():
     if show_window and options.uri is None:
         raise RuntimeError("can't use --show-* options without --connect")
 
+    if show_window:
+        options.skip_autostart = True
+
     # Hook libvirt events into glib main loop
     LibvirtGLib.init(None)
     LibvirtGLib.event_register()