tools: Separate nwfilter related completers into a file

Mixing all completers in one file does not support
maintainability. Separate those completers which relate to
nwfilter (e.g. they complete various nwfilter aspects)
into virsh-completer-nwfilter.c

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>

tools/virsh-completer-nwfilter.h

@@ -0,0 +1,31 @@
+/*
+ * virsh-completer-nwfilter.h: virsh completer callbacks related to nwfilters
+ *
+ * Copyright (C) 2019 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "vsh.h"
+
+char ** virshNWFilterNameCompleter(vshControl *ctl,
+                                   const vshCmd *cmd,
+                                   unsigned int flags);
+
+char ** virshNWFilterBindingNameCompleter(vshControl *ctl,
+                                          const vshCmd *cmd,
+                                          unsigned int flags);