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-rw-r--r--source/pdf/pdf-pkcs7.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source/pdf/pdf-pkcs7.c b/source/pdf/pdf-pkcs7.c
index f1e616c0..297b564b 100644
--- a/source/pdf/pdf-pkcs7.c
+++ b/source/pdf/pdf-pkcs7.c
@@ -89,7 +89,7 @@ typedef struct
static int stream_read(BIO *b, char *buf, int size)
{
BIO_stream_data *data = (BIO_stream_data *)BIO_get_data(b);
- return fz_read(data->ctx, data->stm, buf, size);
+ return fz_read(data->ctx, data->stm, (unsigned char *) buf, size);
}
static long stream_ctrl(BIO *b, int cmd, long arg1, void *arg2)