Make qemu-bridge-helper explicitly depend on $(GENERATED_HEADERS)
so that it doesn't fail to build when we configured for linux-user
targets only. (Build breakage introduced in commit 7b93fadf.)
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>