Free memory on error path during the test

Related: rhbz#2129150

libgcrypt-1.10.0-sha3-large.patch

@@ -591,3 +591,31 @@ index 0ccde326..bfca4c23 100644
 --
 2.34.1
 
+From 567bc62e1c3046594088de7209fee7c545ece1e3 Mon Sep 17 00:00:00 2001
+From: Jakub Jelen <jjelen@redhat.com>
+Date: Fri, 30 Sep 2022 14:54:14 +0200
+Subject: [PATCH] tests: Avoid memory leak
+
+* tests/hashtest.c (run_longtest): Avoid memory leak on error
+--
+
+Signed-off-by: Jakub Jelen <jjelen@redhat.com>
+---
+ tests/hashtest.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tests/hashtest.c b/tests/hashtest.c
+index 9389e50c..379f7c40 100644
+--- a/tests/hashtest.c
++++ b/tests/hashtest.c
+@@ -452,6 +452,7 @@ run_longtest (int algo, int gigs)
+     {
+       fail ("gcry_md_open failed for %s (%d): %s",
+             gcry_md_algo_name (algo), algo, gpg_strerror (err));
++      free(hugepattern);
+       return;
+     }
+ 
+-- 
+2.37.3
+