File 052cbd17.patch of Package gnuplot.20181

From 052cbd17c3cbbc602ee080b2617d32a8417d7563 Mon Sep 17 00:00:00 2001
From: Ethan A Merritt <merritt@u.washington.edu>
Date: Wed, 9 Sep 2020 11:00:59 -0700
Subject: [PATCH] successive failures of "set print <foo>" could cause
 double-free Bug #2312

---
 src/command.c | 1 +
 1 file changed, 1 insertion(+)

diff --git src/command.c src/command.c
index c6a923b5a..9701de995 100644
--- src/command.c
+++ src/command.c
@@ -1842,6 +1842,7 @@ print_set_output(char *name, TBOOLEAN datablock, TBOOLEAN append_p)
 #endif
 	    if (0 > fclose(print_out))
 		perror(print_out_name);
+	print_out = stderr;
     }
 
     free(print_out_name);
-- 
2.26.2