From 7191f6e9e67917c947b8574fd9ef55159bee8431 Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Tue, 13 Aug 2013 18:54:34 -0500
Subject: [PATCH] [libpng16] Use minus signs, not hyphens, in "--i".

---
 libpng.3 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libpng.3 b/libpng.3
index 18e21a0e1..064bf4c74 100644
--- a/libpng.3
+++ b/libpng.3
@@ -5706,7 +5706,7 @@ C binary operator and after "for" or "while", and before
 being cast, nor do we put one between a function name and the
 left parenthesis that follows it:
 
-    for (i = 2; i > 0; --i)
+    for (i = 2; i > 0; \-\-i)
        y[i] = a(x) + (int)b;
 
 We prefer #ifdef and #ifndef to #if defined() and #if !defined()