patch 9.0.1771: regex: combining chars in collections not handled

Problem:  regex: combining chars in collections not handled
Solution: Check for following combining characters for NFA and BT engine

closes: #10459
closes: #10286

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1771,
 /**/
     1770,
 /**/