patch 8.2.3639: line commented out accidentally

Problem:    Line commented out accidentally.
Solution:   Uncomment. (Volodymyr Kot, closes #9172)
diff --git a/src/main.c b/src/main.c
index 0d77778..50047d5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1661,7 +1661,7 @@
     {
 	// give the user a chance to read the (error) message
 	no_wait_return = FALSE;
-//	wait_return(FALSE);
+	wait_return(FALSE);
     }
 
     // Position the cursor again, the autocommands may have moved it