patch 7.4.1037
Problem:    Using "q!" when there is a modified hidden buffer does not unload
            the current buffer, resulting in the need to abandon it again.
Solution:   When using "q!" unload the current buffer when needed. (Yasuhiro
            Matsumoto, Hirohito Higashi)
diff --git a/src/gui.c b/src/gui.c
index 0736522..ec732e0 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -825,7 +825,7 @@
 # endif
     /* If there are changed buffers, present the user with a dialog if
      * possible, otherwise give an error message. */
-    if (!check_changed_any(FALSE))
+    if (!check_changed_any(FALSE, FALSE))
 	getout(0);
 
     exiting = FALSE;