Comment 5 for bug 1700768

Without the fix I could confirm the issue as expected (via daily mainlin 4.12-rc7):
/var/lib/dkms/dpdk-igb-uio/16.11.2/build/igb_uio.c:383:7: error: implicit declaration of function ‘pci_enable_msix’ [-Werror=implicit-function-declaration]
   if (pci_enable_msix(dev, &msix_entry, 1) == 0) {
       ^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors