patch 8.0.0223: Coverity warns for an uninitialized variable

Problem:    Coverity gets confused by the flags passed to find_tags() and
            warnts for an uninitialized variable.
Solution:   Disallow using cscope and help tags at the same time.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    223,
 /**/
     222,
 /**/