Update to 1.0.78.

debootstrap (1.0.78) unstable; urgency=high

• Use HTTPS for Vcs-* URLs, and link to cgit rather than gitweb.
• Don't call mknod with the --mode option, it's not supported in busybox. Use -m instead - fixes the broken fix for #812811. Closes: #813124. Urgency high to get this fix propagated quickly - it's breaking d-i installs right now. Adding myself to uploaders and uploading.
• Steve McIntyre <93sam@debian.org> Fri, 29 Jan 2016 16:36:00 +0000

PR: 206821
Submitted by: Nikolai Lifanov <lifanov@mail.lifanov.com> (maintainer)