From 1609d4afe9df4de9b0f454c60b93b54f79f02cef Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp@gmail.com>
Date: Fri, 4 Aug 2017 06:39:45 -0400
Subject: [PATCH] Fix typo in tIME calculation of ptime.minutes

---
 coders/png.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coders/png.c b/coders/png.c
index 150e0f0aa..82c3219cf 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -8207,7 +8207,7 @@ static void write_tIME_chunk(Image *image,png_struct *ping,png_info *info,
             }
          }
       }
-      ptime.minute=+60;
+      ptime.minute-=60;
    }
    ptime.second=(png_byte) second;
    png_set_tIME(ping,info,&ptime);
-- 
2.50.1