patch 7.4.814
Problem:    Illegal memory access with "sy match a fold".
Solution:   Check for empty string. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index 862759c..53fa03d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    814,
+/**/
     813,
 /**/
     812,