skb: Fix up build for Ubuntu installations.
skb: Fix up build for Ubuntu installations.

CMAKE_EXE_LINKER_FLAGS was missing from the final link stage, resulting in
undefined references in glib.

Signed-off-by: Paul Mundt <3e0c821b08dc2f5a5c1f6861ba7f62edb7ab3d06@huawei.com>

huawei-erc/skb-core,huawei-erc/skb-core,huawei-erc/skb-core