sha256: C++ fix: void *conversion.

* chksums/sha256.c (SHA256_update): Change in parameter to
const unsigned char *, avoiding the need for a local
variable in that type.

* chksums/sha256.h (SHA256_update): Declaration updated.

1 files changed, 1 insertions, 1 deletions

diff --git a/chksums/sha256.h b/chksums/sha256.h
index 3cd57a4e..bdfcaa44 100644
--- a/chksums/sha256.h
+++ b/chksums/sha256.h
@@ -36,5 +36,5 @@ typedef struct SHA256 {
 } SHA256_t;
 
 void SHA256_init(SHA256_t *);
-void SHA256_update(SHA256_t *, const void *, size_t);
+void SHA256_update(SHA256_t *, const unsigned char *, size_t);
 void SHA256_final(SHA256_t *, unsigned char *);