updated for version 7.4.549
Problem:    Function name not recognized correctly when inside a function.
Solution:   Don't check for an alpha character.
Added tag v7-4-549 for changeset 1fd9f1d43660
Add new files for 7.4.549.
updated for version 7.4.550
Problem:    curs_rows() function is always called with the second argument
	    false.
Solution:   Remove the argument. (Christian Brabandt)
	    validate_botline_win() can then also be removed.
Added tag v7-4-550 for changeset 7cda721eadb0