updated for version 7.4.079

Problem:    A script cannot detect whether 'hlsearch' highlighting is actually
            displayed.
Solution:   Add the "v:hlsearch" variable. (ZyX)

src/ex_docmd.c

@@ -11389,7 +11389,7 @@ ex_set(eap)
 ex_nohlsearch(eap)
     exarg_T	*eap UNUSED;
 {
-    no_hlsearch = TRUE;
+    SET_NO_HLSEARCH(TRUE);
     redraw_all_later(SOME_VALID);
 }