updated for version 7.4.478
Problem:    Using byte length instead of character length for 'showbreak'.
Solution:   Compute the character length. (Marco Hinz)
Added tag v7-4-478 for changeset fcb898dea2bc
updated for version 7.4.479
Problem:    MS-Windows: The console title can be wrong.
Solution:   Take the encoding into account. When restoring the title use the
	    right function. (Yasuhiro Matsumoto)
Added tag v7-4-479 for changeset e0f2ed0efb49
Update runtime files and translations.
Merge remote-tracking branch 'upstream/master' into all