updated for version 7.4.403
Problem:    Valgrind reports errors when running test 72. (Dominique Pelle)
Solution:   Reset the local 'cryptmethod' option before storing the seed.
	    Set the seed in the memfile even when there is no block0 yet.
Added tag v7-4-403 for changeset 86fb698a38d5
updated for version 7.4.404
Problem:    Windows 64 bit compiler warnings.
Solution:   Add type casts. (Mike Williams)
Added tag v7-4-404 for changeset 0242c27e40e1