Accepting request 1148349 from home:benoit_monin:branches:Base:System

- convert lrzsz-po.patch to -p1, same as the other patches
- use autosetup to prepare for rpm 4.20

OBS-URL: https://build.opensuse.org/request/show/1148349
OBS-URL: https://build.opensuse.org/package/show/Base:System/rzsz?expand=0&rev=32

lrzsz-po.patch

@@ -1,7 +1,7 @@
-Index: po/de.po
+Index: b/po/de.po
 ===================================================================
---- po/de.po.orig
-+++ po/de.po
+--- a/po/de.po
++++ b/po/de.po
 @@ -254,7 +254,7 @@ msgstr "Keine Best<73>tigung f<>r <20>bertragun
  #: src/lsz.c:1361
  #, c-format