updated for version 7.4.158
Problem:    Pattern containing \zs is not handled correctly by substitute().
Solution:   Change how an empty match is skipped. (Yukihiro Nakadaira)
diff --git a/src/version.c b/src/version.c
index b80bacd..00e1ae6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    158,
+/**/
     157,
 /**/
     156,