Fix a FTBFS-on-Hurd issue introduced by me in 2.18.2-5:
FontForge on hurd-i386 segfaults when $HOME was set to a non-existent
directory such as $(CURDIR)/no-trespassing.
# START: Definitions from the old guile-1.8 (1.8.8+1-10) package
########################################################################
-# Make sure the build process doesn't touch the real HOME.
-export HOME := $(CURDIR)/no-trespassing
-
# These are used for cross-compiling and for saving the configure script
# from having to guess our platform (since we know it already)
DEB_HOST_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)