[meta-virtualization] [m-c-s][PATCH] libvirt: fix GROUPADD_PARAM override conflict

[Dengke Du]

The libvirt recipe in meta-virtualization already define the GROUPADD_PARAM,
so we should append it, not override.

Signed-off-by: Dengke Du <dengke.du at windriver.com>
---
 meta-openstack/recipes-extended/libvirt/libvirt_4.%.bbappend | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta-openstack/recipes-extended/libvirt/libvirt_4.%.bbappend b/meta-openstack/recipes-extended/libvirt/libvirt_4.%.bbappend
index b55f9a9..0b0f011 100644
--- a/meta-openstack/recipes-extended/libvirt/libvirt_4.%.bbappend
+++ b/meta-openstack/recipes-extended/libvirt/libvirt_4.%.bbappend
@@ -5,7 +5,7 @@ PACKAGECONFIG ?= "qemu lxc test remote macvtap libvirtd udev yajl \
 
 inherit useradd
 USERADD_PACKAGES = "${PN}"
-GROUPADD_PARAM_${PN} = "--system libvirt"
+GROUPADD_PARAM_${PN}_append = " ;--system libvirt"
 
 do_install_append() {
 	sed -e "s:^#unix_sock_group =:unix_sock_group =:g" -i ${D}/etc/libvirt/libvirtd.conf
-- 
2.7.4