kconfig/zconf.l: do not ask to generate backup
This avoids the creation of a top-level `lex.backup' when the lexer gets
re-generated.
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 98aad53..ddee5fc 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -1,5 +1,5 @@
-%option backup nostdinit noyywrap never-interactive full ecs
-%option 8bit backup nodefault perf-report perf-report
+%option nostdinit noyywrap never-interactive full ecs
+%option 8bit nodefault perf-report perf-report
%option noinput
%x COMMAND HELP STRING PARAM
%{