From 821ffc9962ff96bbdb942f88411f14185d46ad6a Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 19 Aug 2018 16:12:54 +0200
Subject: [PATCH] Clang scan-build error fix

---
 libretro-common/formats/png/rpng_encode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libretro-common/formats/png/rpng_encode.c b/libretro-common/formats/png/rpng_encode.c
index 3500c3aaf4..42df8116aa 100644
--- a/libretro-common/formats/png/rpng_encode.c
+++ b/libretro-common/formats/png/rpng_encode.c
@@ -150,7 +150,10 @@ static unsigned count_sad(const uint8_t *data, size_t size)
    size_t i;
    unsigned cnt = 0;
    for (i = 0; i < size; i++)
-      cnt += abs((int8_t)data[i]);
+   {
+      if (data[i])
+         cnt += abs((int8_t)data[i]);
+   }
    return cnt;
 }