Fix warning of signed/unsigned comparison.

diff --git a/crypto/bn/bn_gf2m.c b/crypto/bn/bn_gf2m.c
index 6caf2888a658bd8b372d4668614da7fe5141d6c5..5a13515c3634d13769ecc19455679ae46b6bcdbc 100644 (file)
--- a/crypto/bn/bn_gf2m.c
+++ b/crypto/bn/bn_gf2m.c
@@ -368,7 +368,7 @@ int BN_GF2m_mod(BIGNUM *r, const BIGNUM *a, const BIGNUM *p)
        bn_check_top(a);
        bn_check_top(p);
        ret = BN_GF2m_poly2arr(p, arr, sizeof(arr)/sizeof(arr[0]));
-       if (!ret || ret > sizeof(arr)/sizeof(arr[0]))
+       if (!ret || ret > (int)(sizeof(arr)/sizeof(arr[0])))
                {
                BNerr(BN_F_BN_GF2M_MOD,BN_R_INVALID_LENGTH);
                return 0;