debuild: Adjust the arm64 build to use Maurits Lamers' nwjs package.

6 jobs for debuild-arm64-fixes in 108 minutes and 7 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed debian_stretch_x86_64_deb #26491
debian stretch x86_64

00:35:14

passed osx_10.11_x86_64_dmg #26493
osx v10.11 dmg

00:21:08

passed osx_10.8_x86_64_dmg #26494
osx v10.8 dmg

00:16:37

canceled raspbian_stretch_armv7l_deb #26496
raspbian arm stretch

passed ubuntu_16.04_x86_64_deb #26492
ubuntu v16.04 x86_64

00:35:07

canceled windows_i386_innosetup #26495
windows i386