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-rw-r--r--crypto/bn/bn_lib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 00693bc5c3..f866126f46 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -571,7 +571,7 @@ int BN_set_word(BIGNUM *a, BN_ULONG w)
}
/* ignore negative */
-BIGNUM *BN_bin2bn(unsigned char *s, int len, BIGNUM *ret)
+BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
{
unsigned int i,m;
unsigned int n;