[master] add hash to map files

3562.	[func]		Update map file header format to include a SHA-1 hash
			of the database content, so that corrupted map files
			can be rejected at load time. [RT #32459]

bin/tests/system/masterformat/clean.sh

@@ -31,5 +31,4 @@ rm -f ns2/formerly-text.db
 rm -f ns2/db-*
 rm -f ns2/large.bk
 rm -f ns3/example.db.map ns3/dynamic.db.map
-rm -f baseline.txt text.1 text.2 raw.1 raw.2 map.1 map.2
-
+rm -f baseline.txt text.1 text.2 raw.1 raw.2 map.1 map.2 map.5 text.5 badmap