Exclude /usr/share/info/dir from check-files. Probably only
interesting for SUSE.

--- ./scripts/check-files.orig	2020-09-30 12:36:56.398762048 +0000
+++ ./scripts/check-files	2020-09-30 12:41:15.294176572 +0000
@@ -28,5 +28,5 @@ trap "rm -f \"${FILES_DISK}\"" 0 2 3 5 1
 # Find non-directory files in the build root and compare to the manifest.
 # TODO: regex chars in last sed(1) expression should be escaped
 find "${RPM_BUILD_ROOT}" -type f -o -type l | LC_ALL=C sort > "${FILES_DISK}"
-LC_ALL=C sort | diff -d "${FILES_DISK}" - | sed -n 's!^\(-\|< \)'"${RPM_BUILD_ROOT}"'\(.*\)$!   \2!gp'
+LC_ALL=C sort | diff -d "${FILES_DISK}" - | sed -n -e 's!^\(-\|< \)'"${RPM_BUILD_ROOT}"'/usr/share/info/dir$!!' -e 's!^\(-\|< \)'"${RPM_BUILD_ROOT}"'\(.*\)$!   \2!gp'