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)
diff --git a/src/version.c b/src/version.c
index 4078912..89d58e2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1024,
+/**/
     1023,
 /**/
     1022,