patch 9.1.0229: Error E877 is not translated

Problem:  Error E877 is not translated (RestorerZ)
Solution: Declare the error with N_ to mark it as translatable, add _()
          around the error message in regexp_nfa.c

fixes: #14333

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 2a996a1..017ccdb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    229,
+/**/
     228,
 /**/
     227,