Add readline 8.2 support

_gdb.spec.Patch.include

@@ -310,3 +310,6 @@ Patch073: gdb-rhbz1398387-tab-crash-test.patch
 # =fedoratest
 Patch074: gdb-rhbz1553104-s390x-arch12-test.patch
 
+
+Patch075: gdb-backport-readline_support.patch
+

_gdb.spec.patch.include

@@ -72,3 +72,4 @@
 %patch072 -p1
 %patch073 -p1
 %patch074 -p1
+%patch075 -p1

_patch_order

@@ -72,3 +72,4 @@ gdb-linux_perf-bundle.patch
 gdb-libexec-add-index.patch
 gdb-rhbz1398387-tab-crash-test.patch
 gdb-rhbz1553104-s390x-arch12-test.patch
+gdb-backport-readline_support.patch

gdb-backport-readline_support.patch

@@ -0,0 +1,31 @@
+From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Alexandra=20H=C3=A1jkov=C3=A1?= <ahajkova@redhat.com>
+Date: Mon, 10 Oct 2022 15:44:52 +0200
+Subject: gdb-backport-readline_support.patch
+
+Add support for readline 8.2
+
+In readline 8.2 the type of rl_completer_word_break_characters changed to
+include const.
+
+diff --git a/gdb/completer.c b/gdb/completer.c
+--- a/gdb/completer.c
++++ b/gdb/completer.c
+@@ -36,7 +36,7 @@
+    calling a hook instead so we eliminate the CLI dependency.  */
+ #include "gdbcmd.h"
+ 
+-/* Needed for rl_completer_word_break_characters() and for
++/* Needed for rl_completer_word_break_characters and for
+    rl_filename_completion_function.  */
+ #include "readline/readline.h"
+ 
+@@ -2011,7 +2011,7 @@ gdb_completion_word_break_characters_throw ()
+       rl_basic_quote_characters = NULL;
+     }
+ 
+-  return rl_completer_word_break_characters;
++  return (char *) rl_completer_word_break_characters;
+ }
+ 
+ char *