File reproducible.patch of Package efivar.15770

From a02f33199a3c28a655178d35188efda71406a6a0 Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Tue, 24 Jul 2018 09:34:21 +0200
Subject: [PATCH] makeguids: initialize memory

so that we do not write uninitialized memory into guids.bin and names.bin
which made the resulting libefivar.so.1.36 unreproducible.
See https://reproducible-builds.org/ for why this matters.
---
 src/makeguids.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/makeguids.c b/src/makeguids.c
index f84fbb8..a15356b 100644
--- a/src/makeguids.c
+++ b/src/makeguids.c
@@ -147,6 +147,7 @@ main(int argc, char *argv[])
 		outbuf = realloc(outbuf, line * sizeof (struct guidname));
 		if (!outbuf)
 			err(1, "makeguids");
+		memset(outbuf + line - 1, 0, sizeof(struct guidname));
 
 		char *symbol = strchr(guidstr, '\t');
 		if (symbol == NULL)