patch 7.4.1931
Problem:    Using both old and new style file mark lines from viminfo.
Solution:   Skip the old style lines if the viminfo file was written with a
            Vim version that supports the new style.
diff --git a/src/version.c b/src/version.c
index b58bc3c..977cb1a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1931,
+/**/
     1930,
 /**/
     1929,