From b06759edfda17205b8a027b2a369abefcaaba4fc Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Sun, 12 Jul 2015 17:01:17 -0400
Subject: [PATCH] Try to convince coverity not to worry about this loop either

---
 src/ext/ed25519/donna/modm-donna-32bit.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ext/ed25519/donna/modm-donna-32bit.h b/src/ext/ed25519/donna/modm-donna-32bit.h
index dfd76be668..5f36df655d 100644
--- a/src/ext/ed25519/donna/modm-donna-32bit.h
+++ b/src/ext/ed25519/donna/modm-donna-32bit.h
@@ -334,7 +334,8 @@ contract256_window4_modm(signed char r[64], const bignum256modm in) {
 static void
 contract256_slidingwindow_modm(signed char r[256], const bignum256modm s, int windowsize) {
 	int i,j,k,b;
-	int m = (1 << (windowsize - 1)) - 1, soplen = 256;
+	int m = (1 << (windowsize - 1)) - 1;
+        const int soplen = 256;
 	signed char *bits = r;
 	bignum256modm_element_t v;