grab all config files for installed packages, closes #3718

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19964 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/sbin/sysupgrade

@@ -51,8 +51,9 @@ EOF
 
 add_uci_conffiles() {
 	local file="$1"
-	find /etc/config /etc/passwd /etc/group /etc/dropbear \
-		/etc/firewall.user /etc/rc.local -type f > "$file"
+	find /etc/config/httpd /etc/config/network /etc/config/system /etc/config/wireless /etc/config/fstab \
+		/etc/firewall.user /etc/rc.local /etc/passwd /etc/group /etc/hosts -type f > "$file"
+	find `cat /usr/lib/opkg/status | grep "Conffiles:" | grep -v -e "/etc/banner" -e "/etc/opkg.conf" |cut -d':' -f2` -type f >> "$file"
 	return 0
 }