scripts/tags.sh: add local annotation

Commit 'f81b1be40c44 tags: include headers before source files'
introduce two local variables.

Let's add local annotation to make it obvious.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Link: https://lore.kernel.org/r/20231229030654.17474-2-richard.weiyang@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/scripts/tags.sh b/scripts/tags.sh
index be7970b..c088bf4 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -50,7 +50,7 @@
 find_arch_sources()
 {
 	for i in $archincludedir; do
-		prune="$prune ( -path $i ) -prune -o"
+		local prune="$prune ( -path $i ) -prune -o"
 	done
 	find ${tree}arch/$1 $ignore $prune -name "$2" -not -type l -print;
 }
@@ -58,7 +58,7 @@
 # find sources in arch/$1/include
 find_arch_include_sources()
 {
-	include=$(find ${tree}arch/$1/ -name include -type d -print);
+	local include=$(find ${tree}arch/$1/ -name include -type d -print);
 	if [ -n "$include" ]; then
 		archincludedir="$archincludedir $include"
 		find $include $ignore -name "$2" -not -type l -print;