fix download link

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@1363 f203690c-595d-4dc9-a70b-905162fa7fd2

README.txt

@@ -14,4 +14,4 @@ Homepage: https://jackcess.sourceforge.io/
 
 Project: https://sourceforge.net/projects/jackcess/
 
-Download: https://sourceforge.net/projects/jackcess/files/latest/download]
+Download: https://sourceforge.net/projects/jackcess/files/latest/download