File fix-readline-support-leap.patch of Package jack-example-tools

From: Antonio Larrosa <alarrosa@suse.com>
Subject: Fix readline support in SLE/Leap 15.4

Index: jack-example-tools-1/meson.build
===================================================================
--- jack-example-tools-1.orig/meson.build
+++ jack-example-tools-1/meson.build
@@ -75,7 +75,7 @@ lib_jacknet = cc.find_library('jacknet',
 
 dep_alsa = dependency('alsa', version: '>=1.0.18', required: alsa_required)
 dep_opus = dependency('opus', version: '>=0.9.0', required: get_option('opus_support'))
-dep_readline = dependency('readline', required: get_option('readline_support'))
+dep_readline = cc.find_library('readline', required: get_option('readline_support'))
 dep_samplerate = dependency('samplerate', required: libsamplerate_required)
 dep_sndfile = dependency('sndfile', required: get_option('jack_rec'))
 dep_threads = dependency('threads')