From 3b711ccc4f296d6b46d593ced0269eb20c8d98e0 Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Sun, 22 Nov 2015 22:58:10 -0600
Subject: [PATCH] [libpng14] Revert 12 -> 12U change in pngrutil.c

---
 pngrutil.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pngrutil.c b/pngrutil.c
index 60ac03e30..edf11b90d 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1772,7 +1772,7 @@ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
 
    /* We need to have at least 12 bytes after the purpose string
       in order to get the parameter information. */
-   if (slength < 12U || endptr - buf <= 12U)
+   if (slength < 12U || endptr - buf <= 12)
    {
       png_warning(png_ptr, "Invalid pCAL data");
       png_free(png_ptr, png_ptr->chunkdata);