systemd: use "+=" to set PACKAGE_BEFORE_PN

This avoid overridding the original PACKAGE_BEFORE_PN value could be
set in bbclasses.

Signed-off-by: Ming Liu <liu.ming50@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>

diff --git a/meta/recipes-core/systemd/systemd_257.8.bb b/meta/recipes-core/systemd/systemd_257.8.bb
index 549eb7fb29a0565395d788e4309c4dcb8642f07f..20fe77fb139893208c0b5877fe4a0b13880759f0 100644 (file)
--- a/meta/recipes-core/systemd/systemd_257.8.bb
+++ b/meta/recipes-core/systemd/systemd_257.8.bb
@@ -412,7 +412,7 @@ python populate_packages:prepend (){
 }
 PACKAGES_DYNAMIC += "^lib(udev|systemd|nss).*"
 
-PACKAGE_BEFORE_PN = "\
+PACKAGE_BEFORE_PN += "\
     ${PN}-analyze \
     ${PN}-binfmt \
     ${PN}-container \