Fix systemd-tmpfiles. Thanks to spiky for the report.
tree01ddda91626343d914d814fa2561e30430af04c3
-rw-r--r-- 1759 INSTALL
-rw-r--r-- 4217 Makefile
-rw-r--r-- 820 README
drwxr-xr-x - appendices
drwxr-xr-x - chapter01
drwxr-xr-x - chapter02
drwxr-xr-x - chapter03
drwxr-xr-x - chapter04
drwxr-xr-x - chapter05
drwxr-xr-x - chapter06
drwxr-xr-x - chapter07
drwxr-xr-x - chapter08
drwxr-xr-x - chapter09
-rw-r--r-- 2186 general.ent
drwxr-xr-x - images
-rw-r--r-- 2063 index.xml
-rw-r--r-- 1342 obfuscate.sh
-rw-r--r-- 24482 packages.ent
-rw-r--r-- 1918 patches.ent
-rwxr-xr-x 271 pdf-fixups.sh
drwxr-xr-x - prologue
drwxr-xr-x - stylesheets
-rw-r--r-- 291 tidy.conf