[chirp_devel] [PATCH 3 of 3] [chirpc] Allow deleting an already empty memory

[Marco Filippi IZ3GME]

# HG changeset patch
# User Marco Filippi <iz3gme.marco at gmail.com>
# Date 1426687447 -3600
#      Wed Mar 18 15:04:07 2015 +0100
# Node ID 797a3a043831083140c39ac84eba11a8a5f286e8
# Parent  06641d7d614d2f70db935c777edbc5371def666a
[chirpc] Allow deleting an already empty memory

On some radio (eg ft817) empty channels can contain valid data, deleting again
such a memory usually clean data

Improves #2343

diff --git a/chirpc b/chirpc
--- a/chirpc
+++ b/chirpc
@@ -270,8 +270,7 @@
             LOG.exception(e)
             sys.exit(1)
         if mem.empty:
-            LOG.warn("memory %s is already empty, exiting", memnum)
-            sys.exit(0)
+            LOG.warn("memory %s is already empty, deleting again", memnum)
         mem.empty = True
         radio.set_memory(mem)