Bug#383896: base-installer: Should use both extra package templates

[Petter Reinholdtsen <pere@hungry.com>]

Frans discovered a typo in my patch.  One 'fi' was missing.  Here is a
better one.

--- debian/postinst     (revisjon 40022)
+++ debian/postinst     (arbeidskopi)
@@ -708,13 +710,13 @@
                done

                # Install any extra (kernel related) packages
+               EXTRAS=
                if db_get "base-installer/kernel/linux/extra-packages-$target_kernel_major"; then
-                       EXTRAS="$RET"
-               elif db_get base-installer/kernel/linux/extra-packages; then
-                       EXTRAS="$RET"
-               else
-                       EXTRAS=
+                       EXTRAS="$EXTRAS $RET"
                fi
+               if db_get base-installer/kernel/linux/extra-packages; then
+                       EXTRAS="$EXTRAS $RET"
+               fi
                for package in $EXTRAS; do
                        info "Installing $package."
                        db_subst base-installer/section/install_kernel_package SUBST0 "$package"