Fixed Bug #66820 out-of-bounds memory access in fileinfo

Upstream fix:
https://github.com/glensc/file/commit/447558595a3650db2886cd2f416ad0beba965801

Notice, test changed, with upstream agreement:
-define OFFSET_OOB(n, o, i)	((n) < (o) || (i) >= ((n) - (o)))
+define OFFSET_OOB(n, o, i)	((n) < (o) || (i) >  ((n) - (o)))
NEWS
Set default Digest Message to use SHA1 instead of MD5 in openssl tests
as MD5 signature are now rejected by newer openssl Version.

Noticed in RHEL-7 and Fedora 21 build.
Fix HTML entity table generation