Fixed infinite loop (#1095).

diff --git a/coders/png.c b/coders/png.c
index 8d10585ab7d56fcf3bad25df4136a20fe8893e54..d366be3f0b35afa0b4625b3f850d3760150f1766 100644 (file)
--- a/coders/png.c
+++ b/coders/png.c
@@ -6180,7 +6180,7 @@ static Image *ReadOneMNGImage(MngInfo* mng_info, const ImageInfo *image_info,
                     "  LOOP level %.20g has %.20g iterations ",
                     (double) loop_level, (double) loop_iters);
 
-                if (loop_iters == 0)
+                if (loop_iters <= 0)
                   skipping_loop=loop_level;
 
                 else