Avoid shadow warning.

diff --git a/crypto/sha/sha256.c b/crypto/sha/sha256.c
index 9b69ff38d2d57aa35934007e7e7c01088fed4cab..f687ca832118a8092a48c4ac5d8d6f912c0deed2 100644 (file)
--- a/crypto/sha/sha256.c
+++ b/crypto/sha/sha256.c
@@ -84,21 +84,21 @@ int SHA224_Final (unsigned char *md, SHA256_CTX *c)
  */
 #define        HASH_MAKE_STRING(c,s)   do {    \
        unsigned long ll;               \
-       unsigned int  n;                \
+       unsigned int  nn;               \
        switch ((c)->md_len)            \
        {   case SHA224_DIGEST_LENGTH:  \
-               for (n=0;n<SHA224_DIGEST_LENGTH/4;n++)  \
-               {   ll=(c)->h[n]; HOST_l2c(ll,(s));   } \
+               for (nn=0;nn<SHA224_DIGEST_LENGTH/4;nn++)       \
+               {   ll=(c)->h[nn]; HOST_l2c(ll,(s));   }        \
                break;                  \
            case SHA256_DIGEST_LENGTH:  \
-               for (n=0;n<SHA256_DIGEST_LENGTH/4;n++)  \
-               {   ll=(c)->h[n]; HOST_l2c(ll,(s));   } \
+               for (nn=0;nn<SHA256_DIGEST_LENGTH/4;nn++)       \
+               {   ll=(c)->h[nn]; HOST_l2c(ll,(s));   }        \
                break;                  \
            default:                    \
                if ((c)->md_len > SHA256_DIGEST_LENGTH) \
                    return 0;                           \
-               for (n=0;n<(c)->md_len/4;n++)           \
-               {   ll=(c)->h[n]; HOST_l2c(ll,(s));   } \
+               for (nn=0;nn<(c)->md_len/4;nn++)                \
+               {   ll=(c)->h[nn]; HOST_l2c(ll,(s));   }        \
                break;                  \
        }                               \
        } while (0)