patch 8.0.1024: folds lost when session file has a buffer in two windows

Problem:    Manual folds are lost when a session file has the same buffer in
            two windows. (Jeansen)
Solution:   Use ":edit" only once. (Christian Brabandt, closes #1958)

src/version.c

@@ -769,6 +769,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1024,
 /**/
     1023,
 /**/