- Fixed filter argument for imagepng in gdImagePngEx

diff --git a/ext/gd/libgd/gd_png.c b/ext/gd/libgd/gd_png.c
index b5245bd6c4039b352fbfa870a2443cd838e79c36..4f4167a75450181c3b29439cbb694762584bf4d3 100644 (file)
--- a/ext/gd/libgd/gd_png.c
+++ b/ext/gd/libgd/gd_png.c
@@ -390,7 +390,7 @@ gdImagePtr gdImageCreateFromPngCtx (gdIOCtx * infile)
 void gdImagePngEx (gdImagePtr im, FILE * outFile, int level, int basefilter)
 {
        gdIOCtx *out = gdNewFileCtx(outFile);
-       gdImagePngCtxEx(im, out, level, -1);
+       gdImagePngCtxEx(im, out, level, basefilter);
        out->gd_free(out);
 }