patch 8.2.5154: still mentioning version8, some cosmetic issues

Problem:    Still mentioning version8, some cosmetic issues.
Solution:   Prefer mentioning version9, cosmetic improvements.
diff --git a/Filelist b/Filelist
index ec8ae5b..4a2bb15 100644
--- a/Filelist
+++ b/Filelist
@@ -1017,6 +1017,7 @@
 		runtime/spell/README.txt \
 		runtime/spell/??/*.diff \
 		runtime/spell/??/main.aap \
+		runtime/spell/sr/README_sr.txt \
 		runtime/spell/tet/*.diff \
 		runtime/spell/tet/main.aap \
 		runtime/spell/check/main.aap \