patch 8.2.1090: may use NULL pointer when skipping over name

Problem:    May use NULL pointer when skipping over name.
Solution:   Always set ll_name_end.
diff --git a/src/eval.c b/src/eval.c
index 141a973..5b69dc7 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -734,7 +734,9 @@
     {
 	// When skipping just find the end of the name.
 	lp->ll_name = name;
-	return find_name_end(name, NULL, NULL, FNE_INCL_BR | fne_flags);
+	lp->ll_name_end = find_name_end(name, NULL, NULL,
+						      FNE_INCL_BR | fne_flags);
+	return lp->ll_name_end;
     }
 
     // Find the end of the name.