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-rw-r--r--ext/gd/libgd/gd_png.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/gd/libgd/gd_png.c b/ext/gd/libgd/gd_png.c
index 4f4167a754..99b5cf96e1 100644
--- a/ext/gd/libgd/gd_png.c
+++ b/ext/gd/libgd/gd_png.c
@@ -126,7 +126,7 @@ gdImagePtr gdImageCreateFromPngCtx (gdIOCtx * infile)
/* Make sure the signature can't match by dumb luck -- TBB */
/* GRR: isn't sizeof(infile) equal to the size of the pointer? */
- memset (infile, 0, sizeof(infile));
+ memset (sig, 0, sizeof(sig));
/* first do a quick check that the file really is a PNG image; could
* have used slightly more general png_sig_cmp() function instead