gnucash maint: fix syntax of example qif file

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash/commit/e3a00804 (commit)
	from  https://github.com/Gnucash/gnucash/commit/a113d71f (commit)



commit e3a00804da3063f18a0a4a587b81f0125761c4ae
Author: John Clements <clements at racket-lang.org>
Date:   Sun Feb 4 12:05:02 2018 -0800

    fix syntax of example qif file
    
    add (apparently) required separators and transaction descriptions



Summary of changes:
 src/import-export/qif-imp/file-format.txt | 3 +++
 1 file changed, 3 insertions(+)