updated for version 7.3.1304

Problem:    Test 89 still fails on MS-Windows.
Solution:   Set 'shellslash'. (Taro Muraoka)

src/testdir/test89.in

@@ -55,6 +55,7 @@ STARTTEST
 :$put =''
 :$put ='Testing findfile'
 :$put =''
+:set ssl
 :$put =findfile('test19.in','src/test*')
 :exe "cd" cwd
 :cd ..

src/version.c

@@ -728,6 +728,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1304,
 /**/
     1303,
 /**/