updated for version 7.4.219
Problem:    When 'relativenumber' or 'cursorline' are set the window is
	    redrawn much to often. (Patrick Hemmer, Dominique Pelle)
Solution:   Check the VALID_CROW flag instead of VALID_WROW.
Added tag v7-4-219 for changeset 37af1e6e91bb
updated for version 7.4.220
Problem:    Test 105 does not work in a shadow dir. (James McCoy)
Solution:   Omit "src/" from the checked path.
Added tag v7-4-220 for changeset 1e272e318daa