patch 7.4.1988
Problem:    When updating viminfo with file marks there is no time order.
Solution:   Remember the time when a buffer was last used, store marks for
            the most recently used buffers.
diff --git a/src/version.c b/src/version.c
index 0a720cd..a89b83e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1988,
+/**/
     1987,
 /**/
     1986,