From 09e74272599d760aaafe55edbf38fda911e16acc Mon Sep 17 00:00:00 2001
From: gitlost <burmartke@gmail.com>
Date: Thu, 11 Mar 2021 11:59:30 +0000
Subject: [PATCH] png.c: suppress clobbered warning by moving init of vars from
 stack

---
 backend/png.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/backend/png.c b/backend/png.c
index b8f472ac..cf8a2377 100644
--- a/backend/png.c
+++ b/backend/png.c
@@ -101,9 +101,9 @@ INTERNAL int png_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf)
     unsigned char bg_alpha, fg_alpha;
     unsigned char map[128];
     png_color palette[32];
-    int num_palette = 0;
+    int num_palette;
     unsigned char trans_alpha[32];
-    int num_trans = 0;
+    int num_trans;
     int bit_depth;
     int compression_strategy;
     unsigned char *pb;
@@ -138,6 +138,7 @@ INTERNAL int png_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf)
         bg_alpha = 0xff;
     }
 
+    num_palette = num_trans = 0;
     if (symbol->symbology == BARCODE_ULTRA) {
         static const int ultra_chars[8] = { 'W', 'C', 'B', 'M', 'R', 'Y', 'G', 'K' };
         static png_color ultra_colours[8] = {