updated for version 7.4.686

Problem:    "zr" and "zm" do not take a count.
Solution:   Implement the count, restrict the fold level to the maximum
            nesting depth.  (Marcin Szamotulski)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    686,
 /**/
     685,
 /**/