updated for version 7.4.079
Problem:    A script cannot detect whether 'hlsearch' highlighting is actually
            displayed.
Solution:   Add the "v:hlsearch" variable. (ZyX)
diff --git a/src/option.c b/src/option.c
index 2b94d85..589e134 100644
--- a/src/option.c
+++ b/src/option.c
@@ -7811,7 +7811,7 @@
     /* when 'hlsearch' is set or reset: reset no_hlsearch */
     else if ((int *)varp == &p_hls)
     {
-	no_hlsearch = FALSE;
+	SET_NO_HLSEARCH(FALSE);
     }
 #endif