Fixes: 36862e14e316 ("kbuild: deb-pkg: use dh_listpackages to know enabled packages")
The 'version' variable is still needed for building
debian 'linux-headers' packages, add it back.

Signed-off-by: David Wang <00107082@163.com>
---
 scripts/package/builddeb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index c5ae57167d7c..5102d0903f9c 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -215,6 +215,7 @@ install_libc_headers () {
 
 rm -f debian/files
 
+version=$KERNELRELEASE
 packages_enabled=$(dh_listpackages)
 
 for package in ${packages_enabled}
-- 
2.20.1