change version test to accept more version strings

mysql-test/suite/tokudb.bugs/t/6053.test

 # verify that the tokudb version string is appended to the mysql version
-replace_regex /[0-9]+\.[0-9]+\.[0-9]+[a-z0-9\-]*-tokudb-[0-9]+.*/NA.NA.NA-TOKUDB-NA/;
+replace_regex /[0-9]+\.[0-9]+\.[0-9]+[a-z0-9\-\.]*-tokudb-.*/NA.NA.NA-TOKUDB-NA/;
 select version();