* fns.c (Fy_or_n_p): After testing for a QUIT, clear Vquit_flag.

	Otherwise, if Fy_or_n_p is called while Vinhibit_quit is true and
	the user presses C-g, this function goes into an infinite loop.

src/fns.c

@@ -1114,6 +1114,7 @@ Also accepts Space to mean yes, or Delete to mean no.")
       if (ans == 7 || ans == '\035')
 	Vquit_flag = Qt;
       QUIT;
+      Vquit_flag = Qnil;
       if (ans >= 0)
 	ans = DOWNCASE (ans);
       if (ans == 'y' || ans == ' ')