patch 9.0.1047: matchparen is slow

Problem:    Matchparen is slow.
Solution:   Actually use the position where the match started, not the
            position where the search started. (closes #11644)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1047,
 /**/
     1046,
 /**/